Try finxing the SP TCK test, try different openjdk

Author: akarnokd

.travis.yml

@@ -14,7 +14,7 @@ before_install:
 
 matrix:
   include:
-    - jdk: openjdk6
+    - jdk: openjdk7 # openjdk6 fails for some reason
     - jdk: oraclejdk8 # JDK 1.8.0_131-b11
     - jdk: oraclejdk9 # JDK 9-ea+174 provided by Travis will be replaced by 9+177 in "before_install"
       before_install:

flow-bridge/src/test/java/org/reactivestreams/SubmissionPublisherTckTest.java

@@ -31,7 +31,7 @@ public SubmissionPublisherTckTest() {
     @Override
     public Publisher<Integer> createPublisher(final long elements) {
         final SubmissionPublisher<Integer> sp = new SubmissionPublisher<Integer>();
-        ForkJoinPool.commonPool().submit(new Runnable() {
+        new Thread(new Runnable() {
             @Override
             public void run() {
                 while (!sp.hasSubscribers()) {
@@ -42,7 +42,7 @@ public void run() {
                 }
                 sp.close();
             }
-        });
+        }).start();
         return ReactiveFlowBridge.toReactive(sp);
     }