diff --git a/src/test/java/ui/FxTestBase.java b/src/test/java/ui/FxTestBase.java
new file mode 100644
index 0000000..f46c6cb
--- /dev/null
+++ b/src/test/java/ui/FxTestBase.java
@@ -0,0 +1,52 @@
+package ui;
+
+import java.util.concurrent.TimeoutException;
+import javafx.scene.control.TextInputControl;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.TestInstance;
+import org.testfx.api.FxRobot;
+import org.testfx.api.FxToolkit;
+
+/**
+ * Toolkit поднимается один раз на класс, а не перед каждым тестом, как это делает {@code
+ * ApplicationExtension}. Чистое состояние между тестами даёт пересоздание сцены и моков в {@code
+ * BeforeEach} наследника.
+ */
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+public abstract class FxTestBase {
+
+  protected final FxRobot robot = new FxRobot();
+
+  @BeforeAll
+  void initToolkit() throws TimeoutException {
+    startSharedToolkit();
+  }
+
+  @AfterAll
+  void cleanupToolkit() throws TimeoutException {
+    stopSharedToolkit(robot);
+  }
+
+  /**
+   * Подъём toolkit для тестов, которые не могут наследовать этот класс (уже есть предок). Повторные
+   * вызовы дешёвые: toolkit стартует один раз на JVM.
+   */
+  public static void startSharedToolkit() throws TimeoutException {
+    FxToolkit.registerPrimaryStage();
+  }
+
+  /** Пара к {@link #startSharedToolkit()}. */
+  public static void stopSharedToolkit(FxRobot robot) throws TimeoutException {
+    FxToolkit.cleanupStages();
+    FxToolkit.cleanupInput(robot);
+  }
+
+  /**
+   * Синтетический ввод под headless Monocle идёт ~90 мс на клавишу и иногда теряется, а контроллеры
+   * читают поля только по кнопке, поэтому текст ставится напрямую.
+   */
+  protected static void fillText(FxRobot robot, String query, String value) {
+    robot.interact(() -> robot.lookup(query).queryAs(TextInputControl.class).setText(value));
+  }
+}
diff --git a/src/test/java/ui/LoginFormControllerTest.java b/src/test/java/ui/LoginFormControllerTest.java
index 6ef872f..2aed3df 100644
--- a/src/test/java/ui/LoginFormControllerTest.java
+++ b/src/test/java/ui/LoginFormControllerTest.java
@@ -23,14 +23,11 @@
 import javafx.scene.Scene;
 import javafx.scene.control.Label;
 import javafx.stage.Stage;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
-import org.testfx.api.FxRobot;
-import org.testfx.framework.junit5.ApplicationExtension;
-import org.testfx.framework.junit5.Start;
+import org.testfx.api.FxToolkit;
 
-@ExtendWith(ApplicationExtension.class)
-class LoginFormControllerTest {
+class LoginFormControllerTest extends FxTestBase {
 
   private static final String VALID_EMAIL = "user@example.com";
   private static final String VALID_PASSWORD = "secret123";
@@ -38,7 +35,18 @@ class LoginFormControllerTest {
   private AuthService authService;
   private Navigator navigator;
 
-  @Start
+  @BeforeEach
+  void resetScene() throws Exception {
+    FxToolkit.setupStage(
+        stage -> {
+          try {
+            start(stage);
+          } catch (Exception e) {
+            throw new RuntimeException(e);
+          }
+        });
+  }
+
   void start(Stage stage) throws Exception {
     authService = mock(AuthService.class);
     ServiceRegistry services = mock(ServiceRegistry.class);
@@ -62,7 +70,7 @@ void start(Stage stage) throws Exception {
   }
 
   @Test
-  void emptyFieldsShowErrorAndDoNotCallApi(FxRobot robot) {
+  void emptyFieldsShowErrorAndDoNotCallApi() {
     robot.clickOn("#submitButton");
 
     Label error = robot.lookup("#errorLabel").queryAs(Label.class);
@@ -73,8 +81,8 @@ void emptyFieldsShowErrorAndDoNotCallApi(FxRobot robot) {
   }
 
   @Test
-  void blankPasswordShowsErrorAndDoesNotCallApi(FxRobot robot) {
-    robot.clickOn("#emailField").write(VALID_EMAIL);
+  void blankPasswordShowsErrorAndDoesNotCallApi() {
+    fillText(robot, "#emailField", VALID_EMAIL);
     robot.clickOn("#submitButton");
 
     Label error = robot.lookup("#errorLabel").queryAs(Label.class);
@@ -85,9 +93,9 @@ void blankPasswordShowsErrorAndDoesNotCallApi(FxRobot robot) {
   }
 
   @Test
-  void invalidEmailShowsErrorAndDoesNotCallApi(FxRobot robot) {
-    robot.clickOn("#emailField").write("not-an-email");
-    robot.clickOn("#passwordField").write(VALID_PASSWORD);
+  void invalidEmailShowsErrorAndDoesNotCallApi() {
+    fillText(robot, "#emailField", "not-an-email");
+    fillText(robot, "#passwordField", VALID_PASSWORD);
     robot.clickOn("#submitButton");
 
     Label error = robot.lookup("#errorLabel").queryAs(Label.class);
@@ -98,12 +106,12 @@ void invalidEmailShowsErrorAndDoesNotCallApi(FxRobot robot) {
   }
 
   @Test
-  void successfulLoginNavigatesToResourceList(FxRobot robot) {
+  void successfulLoginNavigatesToResourceList() {
     User user = new User(UUID.randomUUID(), VALID_EMAIL, Role.USER, "Имя", "Фамилия", true);
     when(authService.login(VALID_EMAIL, VALID_PASSWORD)).thenReturn(user);
 
-    robot.clickOn("#emailField").write(VALID_EMAIL);
-    robot.clickOn("#passwordField").write(VALID_PASSWORD);
+    fillText(robot, "#emailField", VALID_EMAIL);
+    fillText(robot, "#passwordField", VALID_PASSWORD);
     robot.clickOn("#submitButton");
 
     verify(authService).login(VALID_EMAIL, VALID_PASSWORD);
@@ -113,12 +121,12 @@ void successfulLoginNavigatesToResourceList(FxRobot robot) {
   }
 
   @Test
-  void failedLoginShowsServerErrorAndDoesNotNavigate(FxRobot robot) {
+  void failedLoginShowsServerErrorAndDoesNotNavigate() {
     when(authService.login(VALID_EMAIL, VALID_PASSWORD))
         .thenThrow(new ServiceException("Неверный логин или пароль"));
 
-    robot.clickOn("#emailField").write(VALID_EMAIL);
-    robot.clickOn("#passwordField").write(VALID_PASSWORD);
+    fillText(robot, "#emailField", VALID_EMAIL);
+    fillText(robot, "#passwordField", VALID_PASSWORD);
     robot.clickOn("#submitButton");
 
     Label error = robot.lookup("#errorLabel").queryAs(Label.class);
diff --git a/src/test/java/ui/MockFlowTest.java b/src/test/java/ui/MockFlowTest.java
index 55d112d..1df371c 100644
--- a/src/test/java/ui/MockFlowTest.java
+++ b/src/test/java/ui/MockFlowTest.java
@@ -16,25 +16,33 @@
 import javafx.scene.control.Label;
 import javafx.scene.control.TableView;
 import javafx.stage.Stage;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
-import org.testfx.api.FxRobot;
-import org.testfx.framework.junit5.ApplicationExtension;
-import org.testfx.framework.junit5.Start;
+import org.testfx.api.FxToolkit;
 
 /**
  * Mock-backed UI flow: real pages wired to real in-memory mock services (no Mockito on services, no
  * backend). Proves that MOCK_DATA mode renders actual data.
  */
-@ExtendWith(ApplicationExtension.class)
-class MockFlowTest {
+class MockFlowTest extends FxTestBase {
 
   private static final UUID SEEDED_RESOURCE_ID =
       UUID.fromString("aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa");
 
   private ResourceDetailsController controller;
 
-  @Start
+  @BeforeEach
+  void resetScene() throws Exception {
+    FxToolkit.setupStage(
+        stage -> {
+          try {
+            start(stage);
+          } catch (Exception e) {
+            throw new RuntimeException(e);
+          }
+        });
+  }
+
   void start(Stage stage) throws Exception {
     Navigator navigator = mockNavigator();
     ServiceRegistry services = ServiceRegistry.mock(new Session());
@@ -68,7 +76,7 @@ void mockLoginPutsUserIntoSession() {
 
   @Test
   @SuppressWarnings("unchecked")
-  void detailsPageRendersSeededMockResource(FxRobot robot) {
+  void detailsPageRendersSeededMockResource() {
     robot.interact(
         () -> {
           controller.setResourceId(SEEDED_RESOURCE_ID);
@@ -83,7 +91,7 @@ void detailsPageRendersSeededMockResource(FxRobot robot) {
 
   @Test
   @SuppressWarnings("unchecked")
-  void detailsPageAutoSelectsFirstSeedWithoutId(FxRobot robot) {
+  void detailsPageAutoSelectsFirstSeedWithoutId() {
     robot.interact(() -> controller.load());
 
     assertEquals("Годовой отчёт (мок)", robot.lookup("#titleLabel").queryAs(Label.class).getText());
diff --git a/src/test/java/ui/ResourceDetailsControllerTest.java b/src/test/java/ui/ResourceDetailsControllerTest.java
index 940e75c..f25c083 100644
--- a/src/test/java/ui/ResourceDetailsControllerTest.java
+++ b/src/test/java/ui/ResourceDetailsControllerTest.java
@@ -32,15 +32,13 @@
 import javafx.scene.control.TableView;
 import javafx.stage.Stage;
 import javafx.stage.Window;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
 import org.junit.jupiter.api.io.TempDir;
 import org.testfx.api.FxRobot;
-import org.testfx.framework.junit5.ApplicationExtension;
-import org.testfx.framework.junit5.Start;
+import org.testfx.api.FxToolkit;
 
-@ExtendWith(ApplicationExtension.class)
-class ResourceDetailsControllerTest {
+class ResourceDetailsControllerTest extends FxTestBase {
 
   private static final UUID RESOURCE_ID = UUID.randomUUID();
   private static final UUID FILE_ID_1 = UUID.randomUUID();
@@ -64,7 +62,18 @@ protected File chooseDirectory(Window owner) {
     }
   }
 
-  @Start
+  @BeforeEach
+  void resetScene() throws Exception {
+    FxToolkit.setupStage(
+        stage -> {
+          try {
+            start(stage);
+          } catch (Exception e) {
+            throw new RuntimeException(e);
+          }
+        });
+  }
+
   void start(Stage stage) throws Exception {
     resourceService = mock(ResourceService.class);
     fileService = mock(FileService.class);
@@ -83,7 +92,7 @@ void start(Stage stage) throws Exception {
   }
 
   @Test
-  void successfulLoadShowsMetadataAndFiles(FxRobot robot) {
+  void successfulLoadShowsMetadataAndFiles() {
     when(resourceService.getById(RESOURCE_ID)).thenReturn(resourceWithFiles());
     loadPage(robot);
 
@@ -101,7 +110,7 @@ void successfulLoadShowsMetadataAndFiles(FxRobot robot) {
   }
 
   @Test
-  void resourceNotFoundShowsErrorAndLeavesTableEmpty(FxRobot robot) {
+  void resourceNotFoundShowsErrorAndLeavesTableEmpty() {
     when(resourceService.getById(RESOURCE_ID)).thenThrow(new ServiceException("Ресурс не найден"));
     loadPage(robot);
 
@@ -113,7 +122,7 @@ void resourceNotFoundShowsErrorAndLeavesTableEmpty(FxRobot robot) {
   }
 
   @Test
-  void downloadSavesFileAndShowsStatus(FxRobot robot, @TempDir Path tempDir) {
+  void downloadSavesFileAndShowsStatus(@TempDir Path tempDir) {
     when(resourceService.getById(RESOURCE_ID)).thenReturn(resourceWithFiles());
     loadPage(robot);
 
@@ -128,7 +137,7 @@ void downloadSavesFileAndShowsStatus(FxRobot robot, @TempDir Path tempDir) {
   }
 
   @Test
-  void downloadErrorShowsInErrorLabel(FxRobot robot, @TempDir Path tempDir) {
+  void downloadErrorShowsInErrorLabel(@TempDir Path tempDir) {
     when(resourceService.getById(RESOURCE_ID)).thenReturn(resourceWithFiles());
     loadPage(robot);
 
@@ -144,7 +153,7 @@ void downloadErrorShowsInErrorLabel(FxRobot robot, @TempDir Path tempDir) {
   }
 
   @Test
-  void cancelledDirectoryChooserDoesNotCallDownload(FxRobot robot) {
+  void cancelledDirectoryChooserDoesNotCallDownload() {
     when(resourceService.getById(RESOURCE_ID)).thenReturn(resourceWithFiles());
     loadPage(robot);
 
@@ -155,7 +164,7 @@ void cancelledDirectoryChooserDoesNotCallDownload(FxRobot robot) {
   }
 
   @Test
-  void backNavigatesToResourceList(FxRobot robot) {
+  void backNavigatesToResourceList() {
     robot.clickOn("#backButton");
 
     verify(navigator).goTo("/fxml/ResourceList.fxml");
diff --git a/src/test/java/ui/ResourceFormControllerTest.java b/src/test/java/ui/ResourceFormControllerTest.java
index bd50698..008a423 100644
--- a/src/test/java/ui/ResourceFormControllerTest.java
+++ b/src/test/java/ui/ResourceFormControllerTest.java
@@ -28,14 +28,12 @@
 import javafx.scene.control.TextArea;
 import javafx.scene.control.TextField;
 import javafx.stage.Stage;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
 import org.testfx.api.FxRobot;
-import org.testfx.framework.junit5.ApplicationExtension;
-import org.testfx.framework.junit5.Start;
+import org.testfx.api.FxToolkit;
 
-@ExtendWith(ApplicationExtension.class)
-class ResourceFormControllerTest {
+class ResourceFormControllerTest extends FxTestBase {
 
   private static final UUID RESOURCE_ID = UUID.randomUUID();
   private static final String TITLE = "Годовой отчёт";
@@ -47,7 +45,18 @@ class ResourceFormControllerTest {
   private ResourceFormController controller;
   private Stage stage;
 
-  @Start
+  @BeforeEach
+  void resetScene() throws Exception {
+    FxToolkit.setupStage(
+        stage -> {
+          try {
+            start(stage);
+          } catch (Exception e) {
+            throw new RuntimeException(e);
+          }
+        });
+  }
+
   void start(Stage stage) throws Exception {
     resourceService = mock(ResourceService.class);
     services = mock(ServiceRegistry.class);
@@ -82,13 +91,13 @@ private void openEditForm(FxRobot robot, UUID resourceId) {
   }
 
   @Test
-  void createModeShowsNewDocumentTitle(FxRobot robot) {
+  void createModeShowsNewDocumentTitle() {
     assertEquals("Новый документ", textOf(robot, "#formTitleLabel"));
     assertFalse(robot.lookup("#errorLabel").queryAs(Label.class).isVisible());
   }
 
   @Test
-  void blankTitleShowsErrorAndDoesNotSave(FxRobot robot) {
+  void blankTitleShowsErrorAndDoesNotSave() {
     robot.clickOn("#saveButton");
 
     assertError(robot, "Название обязательно для заполнения");
@@ -98,8 +107,8 @@ void blankTitleShowsErrorAndDoesNotSave(FxRobot robot) {
   }
 
   @Test
-  void shortTitleShowsErrorAndDoesNotSave(FxRobot robot) {
-    robot.clickOn("#titleField").write("ab");
+  void shortTitleShowsErrorAndDoesNotSave() {
+    fillText(robot, "#titleField", "ab");
     robot.clickOn("#saveButton");
 
     assertError(robot, "Название не может быть короче 3 символов");
@@ -108,8 +117,8 @@ void shortTitleShowsErrorAndDoesNotSave(FxRobot robot) {
   }
 
   @Test
-  void longTitleShowsErrorAndDoesNotSave(FxRobot robot) {
-    robot.clickOn("#titleField").write("a".repeat(256));
+  void longTitleShowsErrorAndDoesNotSave() {
+    fillText(robot, "#titleField", "a".repeat(256));
     robot.clickOn("#saveButton");
 
     assertError(robot, "Название не может быть длиннее 255 символов");
@@ -119,9 +128,9 @@ void longTitleShowsErrorAndDoesNotSave(FxRobot robot) {
   }
 
   @Test
-  void validInputCreatesAndNavigatesToList(FxRobot robot) {
-    robot.clickOn("#titleField").write(TITLE);
-    robot.clickOn("#descriptionArea").write(DESCRIPTION);
+  void validInputCreatesAndNavigatesToList() {
+    fillText(robot, "#titleField", TITLE);
+    fillText(robot, "#descriptionArea", DESCRIPTION);
     robot.clickOn("#saveButton");
 
     verify(resourceService).create(TITLE, DESCRIPTION);
@@ -130,8 +139,8 @@ void validInputCreatesAndNavigatesToList(FxRobot robot) {
   }
 
   @Test
-  void blankDescriptionIsSavedAsNull(FxRobot robot) {
-    robot.clickOn("#titleField").write(TITLE);
+  void blankDescriptionIsSavedAsNull() {
+    fillText(robot, "#titleField", TITLE);
     robot.clickOn("#saveButton");
 
     verify(resourceService).create(TITLE, null);
@@ -139,11 +148,11 @@ void blankDescriptionIsSavedAsNull(FxRobot robot) {
   }
 
   @Test
-  void serviceErrorShowsInErrorLabelAndDoesNotNavigate(FxRobot robot) {
+  void serviceErrorShowsInErrorLabelAndDoesNotNavigate() {
     when(resourceService.create(anyString(), any()))
         .thenThrow(new ServiceException("Не удалось сохранить"));
 
-    robot.clickOn("#titleField").write(TITLE);
+    fillText(robot, "#titleField", TITLE);
     robot.clickOn("#saveButton");
 
     assertError(robot, "Не удалось сохранить");
@@ -151,8 +160,8 @@ void serviceErrorShowsInErrorLabelAndDoesNotNavigate(FxRobot robot) {
   }
 
   @Test
-  void cancelNavigatesToListWithoutSaving(FxRobot robot) {
-    robot.clickOn("#titleField").write(TITLE);
+  void cancelNavigatesToListWithoutSaving() {
+    fillText(robot, "#titleField", TITLE);
     robot.clickOn("#cancelButton");
 
     verify(navigator).goTo("/fxml/ResourceList.fxml");
@@ -161,7 +170,7 @@ void cancelNavigatesToListWithoutSaving(FxRobot robot) {
   }
 
   @Test
-  void editModePrefillsExistingValues(FxRobot robot) {
+  void editModePrefillsExistingValues() {
     when(resourceService.getById(RESOURCE_ID)).thenReturn(existingResource());
     openEditForm(robot, RESOURCE_ID);
 
@@ -171,7 +180,7 @@ void editModePrefillsExistingValues(FxRobot robot) {
   }
 
   @Test
-  void editModeSaveUpdatesAndNavigatesToList(FxRobot robot) {
+  void editModeSaveUpdatesAndNavigatesToList() {
     when(resourceService.getById(RESOURCE_ID)).thenReturn(existingResource());
     openEditForm(robot, RESOURCE_ID);
 
@@ -185,7 +194,7 @@ void editModeSaveUpdatesAndNavigatesToList(FxRobot robot) {
   }
 
   @Test
-  void editModeLoadErrorShowsInErrorLabel(FxRobot robot) {
+  void editModeLoadErrorShowsInErrorLabel() {
     when(resourceService.getById(RESOURCE_ID)).thenThrow(new ServiceException("Ресурс не найден"));
     openEditForm(robot, RESOURCE_ID);
 
diff --git a/src/test/java/ui/ResourceListControllerTest.java b/src/test/java/ui/ResourceListControllerTest.java
index 84b6470..af8fe27 100644
--- a/src/test/java/ui/ResourceListControllerTest.java
+++ b/src/test/java/ui/ResourceListControllerTest.java
@@ -39,15 +39,13 @@
 import javafx.scene.control.TableView;
 import javafx.scene.control.TextField;
 import javafx.stage.Stage;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
 import org.testfx.api.FxRobot;
-import org.testfx.framework.junit5.ApplicationExtension;
-import org.testfx.framework.junit5.Start;
+import org.testfx.api.FxToolkit;
 import org.testfx.util.WaitForAsyncUtils;
 
-@ExtendWith(ApplicationExtension.class)
-class ResourceListControllerTest {
+class ResourceListControllerTest extends FxTestBase {
 
   private static final User ADMIN =
       new User(UUID.randomUUID(), "admin@example.com", Role.ADMIN, "Имя", "Фамилия", true);
@@ -59,7 +57,18 @@ class ResourceListControllerTest {
   private ResourceListController controller;
   private Stage stage;
 
-  @Start
+  @BeforeEach
+  void resetScene() throws Exception {
+    FxToolkit.setupStage(
+        stage -> {
+          try {
+            start(stage);
+          } catch (Exception e) {
+            throw new RuntimeException(e);
+          }
+        });
+  }
+
   void start(Stage stage) throws Exception {
     authService = mock(AuthService.class);
     resourceService = mock(ResourceService.class);
@@ -96,19 +105,19 @@ private void loadPage() {
   }
 
   @Test
-  void showsCurrentUserInHeader(FxRobot robot) {
+  void showsCurrentUserInHeader() {
     assertEquals("Имя Фамилия · ADMIN", textOf(robot, "#userInfoLabel"));
   }
 
   @Test
-  void adminSeesCreateButton(FxRobot robot) {
+  void adminSeesCreateButton() {
     Button create = robot.lookup("#createButton").queryAs(Button.class);
     assertTrue(create.isVisible());
     assertTrue(create.isManaged());
   }
 
   @Test
-  void moderatorSeesCreateButton(FxRobot robot) {
+  void moderatorSeesCreateButton() {
     robot.interact(
         () -> {
           when(authService.isAdmin()).thenReturn(false);
@@ -120,7 +129,7 @@ void moderatorSeesCreateButton(FxRobot robot) {
   }
 
   @Test
-  void plainUserDoesNotSeeCreateButton(FxRobot robot) {
+  void plainUserDoesNotSeeCreateButton() {
     robot.interact(
         () -> {
           when(authService.isAdmin()).thenReturn(false);
@@ -134,7 +143,7 @@ void plainUserDoesNotSeeCreateButton(FxRobot robot) {
   }
 
   @Test
-  void initialOpenLoadsFirstPageWithoutInteraction(FxRobot robot) {
+  void initialOpenLoadsFirstPageWithoutInteraction() {
     // Regression test for the missing auto-load: opening the page must fetch the first page
     // with no user interaction. Red until initialize() triggers the initial load.
     when(resourceService.search(any(), anyLong(), anyLong(), anyString(), anyString()))
@@ -148,7 +157,7 @@ void initialOpenLoadsFirstPageWithoutInteraction(FxRobot robot) {
   }
 
   @Test
-  void sortDefaultsToNewestFirst(FxRobot robot) {
+  void sortDefaultsToNewestFirst() {
 
     ComboBox<String> sort = robot.lookup("#sortCombo").queryAs(ComboBox.class);
     assertEquals(
@@ -158,7 +167,7 @@ void sortDefaultsToNewestFirst(FxRobot robot) {
   }
 
   @Test
-  void searchLoadsMatchingRows(FxRobot robot) {
+  void searchLoadsMatchingRows() {
     when(resourceService.search(any(), anyLong(), anyLong(), anyString(), anyString()))
         .thenReturn(List.of(resource("Документ 1")));
 
@@ -179,7 +188,7 @@ void searchLoadsMatchingRows(FxRobot robot) {
   }
 
   @Test
-  void changingSortReloadsWithTitleAsc(FxRobot robot) {
+  void changingSortReloadsWithTitleAsc() {
     when(resourceService.search(any(), anyLong(), anyLong(), anyString(), anyString()))
         .thenReturn(List.of());
 
@@ -194,7 +203,7 @@ void changingSortReloadsWithTitleAsc(FxRobot robot) {
   }
 
   @Test
-  void nextPageLoadsWithOffsetAndDisablesButtonsOnShortPage(FxRobot robot) {
+  void nextPageLoadsWithOffsetAndDisablesButtonsOnShortPage() {
     when(resourceService.search(any(), anyLong(), anyLong(), anyString(), anyString()))
         .thenReturn(List.of(resource("Документ 1")));
 
@@ -218,7 +227,7 @@ void nextPageLoadsWithOffsetAndDisablesButtonsOnShortPage(FxRobot robot) {
   }
 
   @Test
-  void serviceErrorShowsErrorAndClearsTable(FxRobot robot) {
+  void serviceErrorShowsErrorAndClearsTable() {
     when(resourceService.search(any(), anyLong(), anyLong(), anyString(), anyString()))
         .thenThrow(new ServiceException("Сервер недоступен"));
 
@@ -233,7 +242,7 @@ void serviceErrorShowsErrorAndClearsTable(FxRobot robot) {
   }
 
   @Test
-  void logoutCallsServiceAndNavigatesToLogin(FxRobot robot) {
+  void logoutCallsServiceAndNavigatesToLogin() {
     robot.clickOn("#logoutButton");
 
     verify(authService).logout();
@@ -241,7 +250,7 @@ void logoutCallsServiceAndNavigatesToLogin(FxRobot robot) {
   }
 
   @Test
-  void doubleClickRowOpensDetails(FxRobot robot) {
+  void doubleClickRowOpensDetails() {
     Resource resource = resource("Документ 1");
     when(resourceService.search(any(), anyLong(), anyLong(), anyString(), anyString()))
         .thenReturn(List.of(resource));
diff --git a/src/test/java/ui/integration/ResourceFormIntegrationTest.java b/src/test/java/ui/integration/ResourceFormIntegrationTest.java
index 53b698b..5c439cf 100644
--- a/src/test/java/ui/integration/ResourceFormIntegrationTest.java
+++ b/src/test/java/ui/integration/ResourceFormIntegrationTest.java
@@ -31,12 +31,13 @@
 import javafx.scene.control.TextField;
 import javafx.scene.layout.StackPane;
 import javafx.stage.Stage;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
 import org.testfx.api.FxRobot;
-import org.testfx.framework.junit5.ApplicationExtension;
-import org.testfx.framework.junit5.Start;
+import org.testfx.api.FxToolkit;
+import ui.FxTestBase;
 
 /**
  * Integration tests for the resource create/edit flow: real services with a real ApiClient against
@@ -51,15 +52,36 @@
  * excludedGroups} in pom.xml). Run explicitly: {@code mvn test -Dgroups=integration
  * -DexcludedGroups= -Dtest=ResourceFormIntegrationTest}.
  */
-@ExtendWith(ApplicationExtension.class)
 class ResourceFormIntegrationTest extends IntegrationTestCase {
 
+  private final FxRobot robot = new FxRobot();
   private Navigator navigator;
   private Stage stage;
   private Session session;
   private ServiceRegistry services;
 
-  @Start
+  @BeforeAll
+  static void initToolkit() throws Exception {
+    FxTestBase.startSharedToolkit();
+  }
+
+  @AfterAll
+  static void cleanupToolkit() throws Exception {
+    FxTestBase.stopSharedToolkit(new FxRobot());
+  }
+
+  @BeforeEach
+  void resetScene() throws Exception {
+    FxToolkit.setupStage(
+        stage -> {
+          try {
+            start(stage);
+          } catch (Exception e) {
+            throw new RuntimeException(e);
+          }
+        });
+  }
+
   void start(Stage stage) {
     this.stage = stage;
     this.navigator = mock(Navigator.class);
@@ -146,7 +168,7 @@ void updateUnknownIdReturns404() {
   }
 
   @Test
-  void saveWithInvalidTokensShowsErrorAndDoesNotNavigate(FxRobot robot) {
+  void saveWithInvalidTokensShowsErrorAndDoesNotNavigate() {
     // Garbage tokens (not a fresh session) force a real HTTP 401 round-trip instead of the
     // client's offline "no refresh token" shortcut, proving server-side auth enforcement.
     Session poisoned = new Session();
diff --git a/src/test/java/ui/integration/ResourceListIntegrationTest.java b/src/test/java/ui/integration/ResourceListIntegrationTest.java
index bc2f2c3..5ddb7b8 100644
--- a/src/test/java/ui/integration/ResourceListIntegrationTest.java
+++ b/src/test/java/ui/integration/ResourceListIntegrationTest.java
@@ -30,13 +30,14 @@
 import javafx.scene.control.TextField;
 import javafx.scene.layout.StackPane;
 import javafx.stage.Stage;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
 import org.testfx.api.FxRobot;
-import org.testfx.framework.junit5.ApplicationExtension;
-import org.testfx.framework.junit5.Start;
+import org.testfx.api.FxToolkit;
 import org.testfx.util.WaitForAsyncUtils;
+import ui.FxTestBase;
 
 /**
  * UI-level integration tests for the resource list page: real services with a real ApiClient
@@ -47,15 +48,36 @@
  * the default build and CI (see surefire {@code excludedGroups} in pom.xml). Run explicitly: {@code
  * mvn test -Dgroups=integration -DexcludedGroups= -Dtest=ResourceListIntegrationTest}.
  */
-@ExtendWith(ApplicationExtension.class)
 class ResourceListIntegrationTest extends IntegrationTestCase {
 
+  private final FxRobot robot = new FxRobot();
   private Navigator navigator;
   private Stage stage;
   private Session session;
   private ServiceRegistry services;
 
-  @Start
+  @BeforeAll
+  static void initToolkit() throws Exception {
+    FxTestBase.startSharedToolkit();
+  }
+
+  @AfterAll
+  static void cleanupToolkit() throws Exception {
+    FxTestBase.stopSharedToolkit(new FxRobot());
+  }
+
+  @BeforeEach
+  void resetScene() throws Exception {
+    FxToolkit.setupStage(
+        stage -> {
+          try {
+            start(stage);
+          } catch (Exception e) {
+            throw new RuntimeException(e);
+          }
+        });
+  }
+
   void start(Stage stage) {
     this.stage = stage;
     this.navigator = mock(Navigator.class);
@@ -75,7 +97,7 @@ void setUpServices() {
   }
 
   @Test
-  void emptySearchShowsPlaceholderAndZeroCounter(FxRobot robot) {
+  void emptySearchShowsPlaceholderAndZeroCounter() {
     loginAsAdmin();
     loadListPage(robot);
 
@@ -88,7 +110,7 @@ void emptySearchShowsPlaceholderAndZeroCounter(FxRobot robot) {
   }
 
   @Test
-  void seededResourceAppearsInSearch(FxRobot robot) {
+  void seededResourceAppearsInSearch() {
     loginAsAdmin();
     String title = "IT ResourceList " + UUID.randomUUID();
     Resource created = resourceService.create(title, "created by ResourceListIntegrationTest");
@@ -108,7 +130,7 @@ void seededResourceAppearsInSearch(FxRobot robot) {
   }
 
   @Test
-  void sortByTitleAscOrdersSeededResources(FxRobot robot) {
+  void sortByTitleAscOrdersSeededResources() {
     loginAsAdmin();
     String prefix = "IT ResourceSort " + UUID.randomUUID() + " ";
     Resource second = resourceService.create(prefix + "ZZZ", "seeded second");
@@ -133,7 +155,7 @@ void sortByTitleAscOrdersSeededResources(FxRobot robot) {
   }
 
   @Test
-  void unauthenticatedSearchShowsErrorAndLeavesTableEmpty(FxRobot robot) {
+  void unauthenticatedSearchShowsErrorAndLeavesTableEmpty() {
     // Fresh session, no login: the request cannot be authenticated.
     session.clear();
     loadListPage(robot);