Consolidate stable Unity tests

Author: litefeel

.github/workflows/main.yml

@@ -22,6 +22,9 @@ jobs:
       fail-fast: false
       matrix:
         unityVersion:
+          - "2019.4.41f2"
+          - "2022.3.62f2"
+          - "6000.3.1f1"
           - "6000.5.5f1"
     container:
       image: unityci/editor:ubuntu-${{ matrix.unityVersion }}-base-3.2.2
@@ -125,22 +128,52 @@ jobs:
               -print -quit 2>/dev/null || true
           )"
 
-          if [[ -z "$test_framework_manifest" || -z "$ugui_manifest" ]]; then
-            echo "::error::Cannot find Unity's built-in test-framework and ugui metadata."
-            exit 1
+          if [[ -n "$test_framework_manifest" && -n "$ugui_manifest" ]]; then
+            jq -n \
+              --arg testFrameworkVersion \
+                "$(jq -er '.version' "$test_framework_manifest")" \
+              --arg uguiVersion \
+                "$(jq -er '.version' "$ugui_manifest")" \
+              '{
+                dependencies: {
+                  "com.unity.test-framework": $testFrameworkVersion,
+                  "com.unity.ugui": $uguiVersion
+                }
+              }' > /tmp/unity-default-packages.json
+          else
+            template_dir="$(dirname "$UNITY_EDITOR_PATH")/Data/Resources/PackageManager/ProjectTemplates"
+            template_archive="$(
+              find "$template_dir" -type f \
+                -name 'com.unity.template.3d-*.tgz' -print -quit \
+                2>/dev/null || true
+            )"
+            if [[ -z "$template_archive" ]]; then
+              echo "::error::Cannot find Unity's built-in package metadata or 3D template."
+              exit 1
+            fi
+
+            manifest_entry="$(
+              tar -tzf "$template_archive" \
+                | grep '/Packages/manifest.json$' \
+                | head -n 1
+            )"
+            if [[ -z "$manifest_entry" ]]; then
+              echo "::error::Cannot find Packages/manifest.json in $template_archive."
+              exit 1
+            fi
+
+            tar -xOzf "$template_archive" "$manifest_entry" \
+              > /tmp/unity-default-packages.json
           fi
 
-          jq -n \
-            --arg testFrameworkVersion \
-              "$(jq -er '.version' "$test_framework_manifest")" \
-            --arg uguiVersion \
-              "$(jq -er '.version' "$ugui_manifest")" \
-            '{
-              dependencies: {
-                "com.unity.test-framework": $testFrameworkVersion,
-                "com.unity.ugui": $uguiVersion
-              }
-            }' > /tmp/unity-default-packages.json
+          if ! jq -e '
+            .dependencies["com.unity.test-framework"] != null
+            and .dependencies["com.unity.ugui"] != null
+          ' /tmp/unity-default-packages.json >/dev/null
+          then
+            echo "::error::Unity defaults do not define test-framework and ugui."
+            exit 1
+          fi
           cat /tmp/unity-default-packages.json
 
       - name: Prepare test project