Fix build failure on CI

- Adds annotation `@Deprecated` to Tag1 file that was deprecated via javadoc tag.
- Adds org.junit.platform:junit-platform-launcher that was causing tests to fail on CI.
- Build and run tests in a single pass again (after spotting the CI build issues).

Signed-off-by: Manoel Campos <[email protected]>

.github/workflows/gradle.yml

@@ -25,6 +25,4 @@ jobs:
           java-version: '21'
           distribution: 'temurin'
       - name: Build with Gradle
-        run: ./gradlew build -x test check --warning-mode none
-      - name: Run tests
-        run: ./gradlew test
+        run: ./gradlew build check --warning-mode none

build.gradle

@@ -64,6 +64,7 @@ dependencies {
     testImplementation 'org.slf4j:slf4j-simple:+'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:+'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:+'
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher:+'
 
     // https://mvnrepository.com/artifact/net.sf.saxon/Saxon-HE
     implementation 'net.sf.saxon:Saxon-HE:+'

src/test/java/com/github/markusbernhardt/xmldoclet/simpledata/Tag1.java

@@ -2,7 +2,7 @@
 
 /**
  * Tag1
- * 
+ *
  * @author author
  * @deprecated deprecated
  * @category category
@@ -11,10 +11,11 @@
  * @since since
  * @version version
  */
+@Deprecated
 public class Tag1 {
     /**
      * The famous <code>foo</code> method.
-     * 
+     *
      * @param bar bar
      * @return object
      * @throws NullPointerException exception