Skip Unity 2019 tests on Windows in CI workflow

Author: IvanMurzak

.github/workflows/test_unity_plugin.yml

@@ -15,7 +15,7 @@ on:
       UNITY_PASSWORD: { required: true }
 
 ##############################################################################
-# 2. Job – runs only after a maintainer applies the `ci-ok` label
+# 2. Jobs – runs only after a maintainer applies the `ci-ok` label
 ##############################################################################
 jobs:
   test:
@@ -40,41 +40,45 @@ jobs:
 
     steps:
       # --------------------------------------------------------------------- #
-      # 2-a. (PR only) abort if the contributor also changed workflow files
+      # 2-a. Skip Unity 2019 on Windows early
+      # --------------------------------------------------------------------- #
+      - name: Skip Unity 2019 on Windows
+        if: ${{ startsWith(inputs.unityVersion, '2019.') && matrix.os == 'windows' }}
+        run: |
+          echo "::notice::Unity 2019 on Windows doesn't support Docker test running - skipping tests"
+          exit 0
+        shell: bash
+
+      # --------------------------------------------------------------------- #
+      # 2-b. (PR only) abort if the contributor also changed workflow files
       # --------------------------------------------------------------------- #
       - name: Abort if workflow files modified
-        if: ${{ github.event_name == 'pull_request_target' }}
+        if: ${{ github.event_name == 'pull_request_target' && !(startsWith(inputs.unityVersion, '2019.') && matrix.os == 'windows') }}
         run: |
           git fetch --depth=1 origin "${{ github.base_ref }}"
           if git diff --name-only HEAD origin/${{ github.base_ref }} | grep -q '^\.github/workflows/'; then
             echo "::error::This PR edits workflow files – refusing to run with secrets"; exit 1;
           fi
 
       # --------------------------------------------------------------------- #
-      # 2-b. Checkout the contributor’s commit safely
+      # 2-c. Checkout the contributor's commit safely
       # --------------------------------------------------------------------- #
       - uses: actions/checkout@v4
+        if: ${{ !(startsWith(inputs.unityVersion, '2019.') && matrix.os == 'windows') }}
         with:
           lfs: false
 
       # --------------------------------------------------------------------- #
       # 2-c. Cache & run the Unity test-runner
       # --------------------------------------------------------------------- #
       - uses: actions/cache@v4
+        if: ${{ !(startsWith(inputs.unityVersion, '2019.') && matrix.os == 'windows') }}
         with:
           path: |
             ${{ inputs.projectPath }}/Library
             ~/.cache/unity3d
           key: Library-${{ inputs.unityVersion }}-${{ matrix.os }}
 
-      # --------------------------------------------------------------------- #
-      - name: Skip Unity 2019 on Windows
-        if: ${{ startsWith(inputs.unityVersion, '2019.') && matrix.os == 'windows' }}
-        run: |
-          echo "::notice::Unity 2019 on Windows doesn't support Docker test running - skipping tests"
-          exit 0
-        shell: bash
-
       # --------------------------------------------------------------------- #
       - name: Generate custom image name
         if: ${{ !(startsWith(inputs.unityVersion, '2019.') && matrix.os == 'windows') }}