Skip unstable test ThrottedTaskRunnerTest.testExecutionOrder() on Mac…

… OS (Adobe-Consulting-Services#2768)

This closes Adobe-Consulting-Services#2767

CHANGELOG.md

@@ -11,6 +11,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com)
 
 ### Changed
 
+- #2767 - ThrottledTaskRunnerTest.testExecutionOrder unstable on Mac OS
 - #2261 - Update to latest mocking libraries
 - #2753 - Update to AEM 6.4 dependencies
 - #2754 - Support building with Java 17

bundle/src/test/java/com/adobe/acs/commons/fam/impl/ThrottledTaskRunnerTest.java

@@ -24,13 +24,16 @@
 import java.util.Collections;
 import java.util.List;
 import javax.management.NotCompliantMBeanException;
+
+import org.apache.commons.lang3.SystemUtils;
 import org.apache.sling.testing.mock.osgi.junit.OsgiContext;
 import org.junit.Rule;
 import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assume.assumeFalse;
 
 public class ThrottledTaskRunnerTest {
 
@@ -41,6 +44,7 @@ public class ThrottledTaskRunnerTest {
 
     @Test
     public void testExecutionOrderOverflow() throws NotCompliantMBeanException, InterruptedException {
+        assumeFalse("Test unstable on Mac OS, skipping execution on that OS!", SystemUtils.IS_OS_MAC);
         ThrottledTaskRunner ttr = osgiContext.registerService(new ThrottledTaskRunnerImpl());
 
         List<Long> executions = Collections.synchronizedList(new ArrayList<>());