Migrate org.eclipse.ui.tests.navigator from JUnit4 to JUnit5

- Convert @RunWith(Suite.class) to @suite
- Convert @Suite.SuiteClasses to @SelectClasses
- Update imports from org.junit.runners to org.junit.platform.suite.api
- Add org.junit.jupiter.api and org.junit.platform.suite.api to Import-Package

Author: vogella

tests/org.eclipse.ui.tests.navigator/META-INF/MANIFEST.MF

@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %bundlename
 Bundle-SymbolicName: org.eclipse.ui.tests.navigator;singleton:=true
-Bundle-Version: 3.8.200.qualifier
+Bundle-Version: 3.8.300.qualifier
 Bundle-Localization: plugin
 Require-Bundle: org.eclipse.core.resources,
  org.eclipse.core.runtime;bundle-version="[3.29.0,4.0.0)",
@@ -17,6 +17,8 @@ Require-Bundle: org.eclipse.core.resources,
  org.eclipse.jdt.ui,
  org.eclipse.ui.genericeditor
 Bundle-Vendor: Eclipse.org
+Import-Package: org.junit.jupiter.api,
+ org.junit.platform.suite.api
 Bundle-RequiredExecutionEnvironment: JavaSE-21
 Export-Package: org.eclipse.ui.tests.navigator;x-internal:=true
 Eclipse-BundleShape: dir

tests/org.eclipse.ui.tests.navigator/src/org/eclipse/ui/tests/navigator/NavigatorTestSuite.java

@@ -25,12 +25,12 @@
 import org.eclipse.ui.tests.navigator.resources.NestedResourcesTests;
 import org.eclipse.ui.tests.navigator.resources.PathComparatorTest;
 import org.eclipse.ui.tests.navigator.resources.ResourceMgmtActionProviderTests;
-import org.junit.runner.RunWith;
-import org.junit.runners.Suite;
-import org.junit.runners.Suite.SuiteClasses;
 
-@RunWith(Suite.class)
-@SuiteClasses({ InitialActivationTest.class, ActionProviderTest.class, ExtensionsTest.class, FilterTest.class,
+import org.junit.platform.suite.api.Suite;
+import org.junit.platform.suite.api.SelectClasses;
+
+@Suite
+@SelectClasses({ InitialActivationTest.class, ActionProviderTest.class, ExtensionsTest.class, FilterTest.class,
 		WorkingSetTest.class, ActivityTest.class, OpenTest.class, INavigatorContentServiceTests.class,
 		ProgrammaticOpenTest.class, PipelineTest.class, PipelineChainTest.class, JstPipelineTest.class,
 		LabelProviderTest.class, SorterTest.class, ViewerTest.class, CdtTest.class, M12Tests.class,