[tryout fix] concurrency bug in NamespacedHierarchicalStore#computeIfAbsent(Object, Object, Function) junit-team#5171 junit-team#5209

Signed-off-by: Vincent Potucek <[email protected]>

Author: Vincent Potucek

platform-tests/src/test/java/org/junit/platform/engine/support/store/NamespacedHierarchicalStoreTests.java

@@ -695,9 +695,9 @@ class ConcurrencyIssue5171 {
 		 * potential deadlocks when map locks are held.
 		 */
 		private static final class CollidingKey {
-			private final int value;
+			private final Object value;
 
-			CollidingKey(int value) {
+			CollidingKey(Object value) {
 				this.value = value;
 			}