8278527: java/util/concurrent/tck/JSR166TestCase.java fails nanoTime test

Backport-of: 54f09d734584a71c648520664447f8395050adbe

Author: Sonia Zaldana Calles

test/jdk/java/util/concurrent/tck/JSR166TestCase.java

@@ -602,7 +602,6 @@ public static Test suite() {
             ScheduledExecutorSubclassTest.suite(),
             SemaphoreTest.suite(),
             SynchronousQueueTest.suite(),
-            SystemTest.suite(),
             ThreadLocalTest.suite(),
             ThreadPoolExecutorTest.suite(),
             ThreadPoolExecutorSubclassTest.suite(),