Migrate org.eclipse.ltk.ui.refactoring.tests 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.ltk.ui.refactoring.tests/META-INF/MANIFEST.MF

@@ -3,7 +3,7 @@ Automatic-Module-Name: org.eclipse.ltk.ui.refactoring.tests
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.ltk.ui.refactoring.tests;singleton:=true
-Bundle-Version: 3.11.400.qualifier
+Bundle-Version: 3.11.500.qualifier
 Bundle-Activator: org.eclipse.ltk.ui.refactoring.tests.RefactoringUITestPlugin
 Bundle-ActivationPolicy: lazy
 Bundle-Vendor: %providerName
@@ -21,4 +21,5 @@ Require-Bundle:
  org.eclipse.text;bundle-version="[3.5.0,4.0.0)"
 Bundle-RequiredExecutionEnvironment: JavaSE-17
 Eclipse-BundleShape: dir
-Import-Package: org.junit.jupiter.api
+Import-Package: org.junit.jupiter.api,
+ org.junit.platform.suite.api

tests/org.eclipse.ltk.ui.refactoring.tests/src/org/eclipse/ltk/ui/refactoring/tests/AllTests.java

@@ -13,11 +13,11 @@
  *******************************************************************************/
 package org.eclipse.ltk.ui.refactoring.tests;
 
-import org.junit.runner.RunWith;
-import org.junit.runners.Suite;
+import org.junit.platform.suite.api.SelectClasses;
+import org.junit.platform.suite.api.Suite;
 
-@RunWith(Suite.class)
-@Suite.SuiteClasses({
+@Suite
+@SelectClasses({
 	EmptySuite.class
 })
 public class AllTests {