Deprecate @UseTechnicalNames

The JUnitPlatform runner was deprecated in 5.8.0.

This commit deprecates the @UseTechnicalNames annotation, since
@UseTechnicalNames is only used by the JUnitPlatform runner.

Closes #2720

Author: sbrannen

documentation/src/docs/asciidoc/release-notes/release-notes-5.8.1.adoc

@@ -19,7 +19,10 @@ GitHub.
 
 ==== Deprecations and Breaking Changes
 
-* ❓
+* `@UseTechnicalNames` has been deprecated in favor of the new `@Suite` support which does
+  not require the use of technical names. See the warning in
+  <<../user-guide/index.adoc#running-tests-junit-platform-runner, Using JUnit 4 to run the
+  JUnit Platform>> for details.
 
 ==== New Features and Improvements
 

documentation/src/docs/asciidoc/user-guide/running-tests.adoc

@@ -617,8 +617,8 @@ In addition, the introduction of `@Suite` support provided by the
 `junit-platform-suite-engine` module makes the `JUnitPlatform` runner obsolete. See
 <<junit-platform-suite-engine>> for details.
 
-The `JUnitPlatform` runner has therefore been deprecated in JUnit Platform 1.8 and will be
-removed in JUnit Platform 2.0.
+The `JUnitPlatform` runner and `@UseTechnicalNames` annotation have therefore been
+deprecated in JUnit Platform 1.8 and will be removed in JUnit Platform 2.0.
 
 If you are using the `JUnitPlatform` runner, please migrate to the `@Suite` support.
 ====

junit-platform-runner/src/main/java/org/junit/platform/runner/JUnitPlatform.java

@@ -47,7 +47,6 @@
 import org.junit.platform.suite.api.SelectUris;
 import org.junit.platform.suite.api.Suite;
 import org.junit.platform.suite.api.SuiteDisplayName;
-import org.junit.platform.suite.api.UseTechnicalNames;
 import org.junit.platform.suite.commons.SuiteLauncherDiscoveryRequestBuilder;
 import org.junit.runner.Description;
 import org.junit.runner.Runner;
@@ -104,7 +103,7 @@
  * @see IncludeTags
  * @see ExcludeTags
  * @see SuiteDisplayName
- * @see UseTechnicalNames
+ * @see org.junit.platform.suite.api.UseTechnicalNames UseTechnicalNames
  * @see ConfigurationParameter
  * @deprecated since 1.8, in favor of the {@link Suite @Suite} support provided by
  * the {@code junit-platform-suite-engine} module; to be removed in JUnit Platform 2.0

junit-platform-runner/src/main/java/org/junit/platform/runner/JUnitPlatformTestTree.java

@@ -30,7 +30,6 @@
 import org.junit.platform.launcher.TestIdentifier;
 import org.junit.platform.launcher.TestPlan;
 import org.junit.platform.suite.api.SuiteDisplayName;
-import org.junit.platform.suite.api.UseTechnicalNames;
 import org.junit.runner.Description;
 import org.junit.runner.manipulation.Filter;
 
@@ -54,8 +53,9 @@ public TestPlan getTestPlan() {
 		return testPlan;
 	}
 
+	@SuppressWarnings("deprecation")
 	private static boolean useTechnicalNames(Class<?> testClass) {
-		return testClass.isAnnotationPresent(UseTechnicalNames.class);
+		return testClass.isAnnotationPresent(org.junit.platform.suite.api.UseTechnicalNames.class);
 	}
 
 	Description getSuiteDescription() {

junit-platform-suite-api/src/main/java/org/junit/platform/suite/api/UseTechnicalNames.java

@@ -10,7 +10,7 @@
 
 package org.junit.platform.suite.api;
 
-import static org.apiguardian.api.API.Status.MAINTAINED;
+import static org.apiguardian.api.API.Status.DEPRECATED;
 
 import java.lang.annotation.Documented;
 import java.lang.annotation.ElementType;
@@ -43,11 +43,14 @@
  *
  * @since 1.0
  * @see org.junit.platform.runner.JUnitPlatform
+ * @deprecated since 1.8, in favor of the {@link Suite @Suite} support provided by
+ * the {@code junit-platform-suite-engine} module; to be removed in JUnit Platform 2.0
  */
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.TYPE)
 @Inherited
 @Documented
-@API(status = MAINTAINED, since = "1.0")
+@API(status = DEPRECATED, since = "1.8")
+@Deprecated
 public @interface UseTechnicalNames {
 }