try to make tests work

Author: TheSnoozer

.github/workflows/default-tests.yml

@@ -10,11 +10,11 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: recursive
-      - name: Set up JDK 11
+      - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
-          java-version: 11
+          java-version: 17
           java-package: jdk
       - name: Run checkstyle with Gradle
         run: ./gradlew clean checkstyleMain checkstyleTest
@@ -53,6 +53,8 @@ jobs:
           distribution: 'zulu'
           java-version: ${{ matrix.java_version }}
           java-package: jdk
+      - name: Downgrade gradle wrapper
+        run: ./gradle wrapper --gradle-version 8.14.4
       - name: Build with Gradle
         run: ./gradlew clean build
 
@@ -64,108 +66,42 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java_version: ['11']
-        gradle_version: [
-          '9.4.0',
-          '9.3.1',
-          '8.14.4',
-          '9.3.0',
-          '9.2.1',
-          '9.2.0',
-          '9.1.0',
-          '9.0.0',
-          '8.14.3',
-          '7.6.6',
-          '8.14.2',
-          '7.6.5',
-          '8.14.1',
-          '8.14',
-          '8.13',
-          '8.12.1',
-          '8.12',
-          '8.11.1',
-          '8.11',
-          '8.10.2',
-          '8.10.1',
-          '8.10',
-          '8.9',
-          '8.8',
-          '8.7',
-          '7.6.4',
-          '8.6',
-          '8.5',
-          '8.4',
-          '7.6.3',
-          '8.3',
-          '8.2.1',
-          '8.2',
-          '7.6.2',
-          '8.1.1',
-          '8.1',
-          '8.0.2',
-          '8.0.1',
-          '8.0',
-          '7.6.1',
-          '7.6',
-          '7.5.1',
-          '7.5',
-          '7.4.2',
-          '7.4.1',
-          '7.4',
-          '7.3.3',
-          '7.3.2',
-          '7.3.1',
-          '7.3',
-          '7.2',
-          '7.1.1',
-          '7.1',
-          '7.0.2',
-          '7.0.1',
-          '7.0',
-          '6.9.4',
-          '6.9.3',
-          '6.9.2',
-          '6.9.1',
-          '6.9',
-          '6.8.3',
-          '6.8.2',
-          '6.8.1',
-          '6.8',
-          '6.7.1',
-          '6.7',
-          '6.6.1',
-          '6.6',
-          '6.5.1',
-          '6.5',
-          '6.4.1',
-          '6.4',
-          '6.3',
-          '6.2.2',
-          '6.2.1',
-          '6.2',
-          '6.1.1',
-          '6.1',
-          '6.0.1',
-          '6.0',
-          '5.6.4',
-          '5.6.3',
-          '5.6.2',
-          '5.6.1',
-          '5.6',
-          '5.5.1',
-          '5.5',
-          '5.4.1',
-          '5.4',
-          '5.3.1',
-          '5.3',
-          '5.2.1',
-          '5.2',
-          '5.1',
+        include:
+          # Java 17 with latest Gradle versions (9.x requires 17+)
+          - java_version: '17'
+            gradle_version: '9.4.0'
+          - java_version: '17'
+            gradle_version: '9.0.0'
+          - java_version: '17'
+            gradle_version: '8.14.4'
+          - java_version: '17'
+            gradle_version: '8.0'
+          # Java 11 compatible with Gradle 5.3-8.x
+          - java_version: '11'
+            gradle_version: '8.14.4'
+          - java_version: '11'
+            gradle_version: '8.5'
+          - java_version: '11'
+            gradle_version: '7.6.6'
+          - java_version: '11'
+            gradle_version: '7.0'
+          - java_version: '11'
+            gradle_version: '6.9.4'
+          - java_version: '11'
+            gradle_version: '6.0'
+          - java_version: '11'
+            gradle_version: '5.6.4'
+          - java_version: '11'
+            gradle_version: '5.3.1'
           # '5.2.1', # Extension injection is only supported for 5.3 and onwards https://github.com/gradle/gradle/issues/24947
           # '5.2', # Extension injection is only supported for 5.3 and onwards https://github.com/gradle/gradle/issues/24947
           # '5.1', # Extension injection is only supported for 5.3 and onwards https://github.com/gradle/gradle/issues/24947
           # '5.0', # Doesn't support conventions: https://docs.gradle.org/5.1/release-notes.html#specify-a-convention-for-a-property
-        ]
+          # Java 11 compatible, but smoke test with other java versions
+          - java_version: '17'
+            gradle_version: '7.6.6'
+          - java_version: '21'
+            gradle_version: '7.6.6'
 
     steps:
       - uses: actions/checkout@v4