[java] ensure all tear downs are executed after tests

java/test/org/openqa/selenium/testing/Safely.java

@@ -22,9 +22,15 @@
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class Safely {
 
+  private static final Logger LOG = Logger.getLogger(Safely.class.getName());
+
   public static void safelyCall(TearDownFixture... fixtures) {
     ExecutorService executor = Executors.newFixedThreadPool(fixtures.length);
     List<CompletableFuture<Void>> futures = new LinkedList<>();
@@ -44,10 +50,14 @@ public static void safelyCall(TearDownFixture... fixtures) {
       futures.add(check);
     }
 
+    executor.shutdown();
+
     try {
-      CompletableFuture.allOf(futures.toArray(new CompletableFuture[] {}));
-    } finally {
-      executor.shutdownNow();
+      CompletableFuture.allOf(futures.toArray(new CompletableFuture[] {})).get(2, TimeUnit.MINUTES);
+    } catch (TimeoutException ex) {
+      LOG.log(Level.WARNING, "tear down timed out");
+    } catch (Exception ex) {
+      LOG.log(Level.WARNING, "tear down failed", ex);
     }
   }
 }