Move PreemptiveTimeoutUtils to org.junit.jupiter.api.timeout package

Context: #5142 (comment)

Author: marcphilipp

junit-jupiter-api/src/main/java/module-info.java

@@ -30,7 +30,7 @@
 	exports org.junit.jupiter.api.function;
 	exports org.junit.jupiter.api.io;
 	exports org.junit.jupiter.api.parallel;
-	exports org.junit.jupiter.api.util to org.junit.jupiter.engine;
+	exports org.junit.jupiter.api.timeout to org.junit.jupiter.engine;
 
 	opens org.junit.jupiter.api.condition to org.junit.platform.commons;
 }

junit-jupiter-api/src/main/java/org/junit/jupiter/api/AssertTimeoutPreemptively.java

@@ -11,7 +11,7 @@
 package org.junit.jupiter.api;
 
 import static org.junit.jupiter.api.AssertionFailureBuilder.assertionFailure;
-import static org.junit.jupiter.api.util.PreemptiveTimeoutUtils.executeWithPreemptiveTimeout;
+import static org.junit.jupiter.api.timeout.PreemptiveTimeoutUtils.executeWithPreemptiveTimeout;
 
 import java.time.Duration;
 import java.util.function.Supplier;

junit-jupiter-api/src/main/java/org/junit/jupiter/api/util/PreemptiveTimeoutUtils.java renamed to junit-jupiter-api/src/main/java/org/junit/jupiter/api/timeout/PreemptiveTimeoutUtils.java

@@ -8,7 +8,7 @@
  * https://www.eclipse.org/legal/epl-v20.html
  */
 
-package org.junit.jupiter.api.util;
+package org.junit.jupiter.api.timeout;
 
 import static java.util.Objects.requireNonNullElse;
 import static org.apiguardian.api.API.Status.INTERNAL;

junit-jupiter-api/src/main/java/org/junit/jupiter/api/util/package-info.java renamed to junit-jupiter-api/src/main/java/org/junit/jupiter/api/timeout/package-info.java

@@ -1,5 +1,5 @@
 /**
- * Internal JUnit Jupiter utilities.
+ * Internal JUnit Jupiter timeout utilities.
  *
  * <h2>DISCLAIMER</h2>
  *
@@ -9,6 +9,6 @@
  */
 
 @NullMarked
-package org.junit.jupiter.api.util;
+package org.junit.jupiter.api.timeout;
 
 import org.jspecify.annotations.NullMarked;

junit-jupiter-engine/src/main/java/org/junit/jupiter/engine/extension/SeparateThreadTimeoutInvocation.java

@@ -10,7 +10,7 @@
 
 package org.junit.jupiter.engine.extension;
 
-import static org.junit.jupiter.api.util.PreemptiveTimeoutUtils.executeWithPreemptiveTimeout;
+import static org.junit.jupiter.api.timeout.PreemptiveTimeoutUtils.executeWithPreemptiveTimeout;
 
 import java.util.concurrent.TimeoutException;
 import java.util.function.Supplier;

jupiter-tests/src/test/java/org/junit/jupiter/api/util/PreemptiveTimeoutUtilsTest.java renamed to jupiter-tests/src/test/java/org/junit/jupiter/api/timeout/PreemptiveTimeoutUtilsTest.java

@@ -8,15 +8,15 @@
  * https://www.eclipse.org/legal/epl-v20.html
  */
 
-package org.junit.jupiter.api.util;
+package org.junit.jupiter.api.timeout;
 
 import static java.time.Duration.ofMillis;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.fail;
 import static org.junit.jupiter.api.condition.OS.WINDOWS;
-import static org.junit.jupiter.api.util.PreemptiveTimeoutUtils.executeWithPreemptiveTimeout;
+import static org.junit.jupiter.api.timeout.PreemptiveTimeoutUtils.executeWithPreemptiveTimeout;
 
 import java.time.Duration;
 import java.util.concurrent.CountDownLatch;

platform-tooling-support-tests/projects/jar-describe-module/junit-jupiter-api.expected.txt

@@ -12,5 +12,5 @@ requires org.apiguardian.api static transitive
 requires org.jspecify static transitive
 requires org.junit.platform.commons transitive
 requires org.opentest4j transitive
-qualified exports org.junit.jupiter.api.util to org.junit.jupiter.engine
+qualified exports org.junit.jupiter.api.timeout to org.junit.jupiter.engine
 qualified opens org.junit.jupiter.api.condition to org.junit.platform.commons