Uncomment test left commented by mistake (aws#5284)

Author: sugmanue

http-clients/netty-nio-client/src/test/java/software/amazon/awssdk/http/nio/netty/fault/ServerConnectivityErrorMessageTest.java

@@ -125,8 +125,8 @@ public void teardown() throws InterruptedException {
         netty = null;
     }
 
-    //@ParameterizedTest
-    //@MethodSource("testCases")
+    @ParameterizedTest
+    @MethodSource("testCases")
     void closeTimeHasCorrectMessage(TestCase testCase) throws Exception {
         server = new Server(ServerConfig.builder().httpResponseStatus(HttpResponseStatus.OK).build());
         setupTestCase(testCase);