Try to stabilize certain tests with @RetryingTest

Author: vy

log4j-core-test/src/test/java/org/apache/logging/log4j/core/filter/HttpThreadContextMapFilterTest.java

@@ -47,7 +47,7 @@
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeAll;
-import org.junit.jupiter.api.Test;
+import org.junitpioneer.jupiter.RetryingTest;
 
 import static org.junit.jupiter.api.Assertions.assertNotEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
@@ -111,7 +111,7 @@ public void after() {
         loggerContext = null;
     }
 
-    @Test
+    @RetryingTest(maxAttempts = 5, suspendForMs = 10)
     public void filterTest() throws Exception {
         System.setProperty("log4j2.Configuration.allowedProtocols", "http");
         System.setProperty("logging.auth.username", "log4j");

log4j-core-test/src/test/java/org/apache/logging/log4j/core/filter/MutableThreadContextMapFilterTest.java

@@ -32,7 +32,7 @@
 import org.apache.logging.log4j.core.test.appender.ListAppender;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.Test;
+import org.junitpioneer.jupiter.RetryingTest;
 
 import static org.junit.jupiter.api.Assertions.*;
 
@@ -59,7 +59,7 @@ public void after() {
         loggerContext = null;
     }
 
-    @Test
+    @RetryingTest(maxAttempts = 5, suspendForMs = 10)
     public void filterTest() throws Exception {
         System.setProperty("configLocation", "target/test-classes/testConfig.json");
         ThreadContext.put("loginId", "rgoers");