Remove gracefullyFinishThreads

Author: pivovarit

vavr/src/test/java/io/vavr/concurrent/Concurrent.java

@@ -75,13 +75,4 @@ static <T, X extends Throwable> CheckedFunction0<T> zZz(X exception) {
             throw exception;
         };
     }
-
-    static void gracefullyFinishThreads() throws TimeoutException {
-        final boolean isQuiescent = ForkJoinPool.commonPool().awaitQuiescence(1L, TimeUnit.MINUTES);
-        if (isQuiescent) {
-            System.out.println("ForkJoinPool.commonPool() is quiecent");
-        } else {
-            throw new TimeoutException("Timeout while waiting for running threads in ForkJoinPool.commonPool() to finish.");
-        }
-    }
 }

vavr/src/test/java/io/vavr/concurrent/FutureTest.java

@@ -70,11 +70,6 @@ public class FutureTest extends AbstractValueTest {
 
     private static final Executor REJECTING_EXECUTOR = ignored -> {throw new RejectedExecutionException();};
 
-    @AfterAll
-    public static void gracefullyFinishThreads() throws TimeoutException {
-        Concurrent.gracefullyFinishThreads();
-    }
-
     static class TraceUnitExtension implements AfterEachCallback, BeforeEachCallback {
 
         @Override

vavr/src/test/java/io/vavr/concurrent/PromiseTest.java

@@ -28,11 +28,6 @@
 
 public class PromiseTest {
 
-    @AfterAll
-    public static void gracefullyFinishThreads() throws TimeoutException {
-        Concurrent.gracefullyFinishThreads();
-    }
-
     @Test
     public void shouldReturnExecutorService() {
         final Promise<Integer> promise = Promise.successful(42);