Rely on auto detection of test framework in test suites

Author: breskeby

build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/ElasticsearchJavaBasePlugin.java

@@ -65,7 +65,6 @@ public void apply(Project project) {
         buildParams = project.getRootProject().getExtensions().getByType(BuildParameterExtension.class);
         project.getPluginManager().apply(JvmTestSuitePlugin.class);
         TestingExtension testing = project.getExtensions().getByType(TestingExtension.class);
-        testing.getSuites().withType(JvmTestSuite.class).configureEach(suite -> { suite.useJUnit(); });
         // common repositories setup
         project.getPluginManager().apply(RepositoriesSetupPlugin.class);
         project.getPluginManager().apply(ElasticsearchTestBasePlugin.class);

build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/test/rest/InternalJavaRestTestPlugin.java

@@ -30,7 +30,6 @@ public void apply(Project project) {
         TestingExtension testing = project.getExtensions().getByType(TestingExtension.class);
         testing.getSuites().registerBinding(JavaRestTestSuite.class, DefaultJavaRestTestSuite.class);
         testing.getSuites().register(SOURCE_SET_NAME, JavaRestTestSuite.class, suite -> {
-            suite.useJUnit();
             configureJavaRestSources(project, suite.getSources());
             if (project.findProject(":test:test-clusters") != null) {
                 suite.getDependencies().getImplementation().add(suite.getDependencies().project(":test:test-clusters"));

build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/test/rest/InternalYamlRestTestPlugin.java

@@ -31,7 +31,6 @@ public void apply(Project project) {
         TestingExtension testing = project.getExtensions().getByType(TestingExtension.class);
         testing.getSuites().registerBinding(YamlRestTestSuite.class, DefaultYamlRestTestSuite.class);
         testing.getSuites().register(SOURCE_SET_NAME, YamlRestTestSuite.class, suite -> {
-            suite.useJUnit();
             configureYamlSourceSet(project, suite.getSources());
         });
     }