1.x: change test heap size to avoid 137 (ReactiveX#4180)

* 1.x: increase test heap to 3GB

* Try with less memory plus avoid a deadlock

* Increase timeout for JCTools tests

Author: akarnokd

build.gradle

@@ -61,7 +61,7 @@ if (project.hasProperty('release.useLastTag')) {
 }
 
 test{
-     maxHeapSize = "2g"
+     maxHeapSize = "1500m"
 }
 
 license {

src/test/java/rx/internal/operators/DeferredScalarSubscriberTest.java

@@ -341,8 +341,8 @@ public void call() {
 
     @Test
     public void emissionRequestRace2() {
-        Worker w = Schedulers.computation().createWorker();
-        Worker w2 = Schedulers.computation().createWorker();
+        Worker w = Schedulers.io().createWorker();
+        Worker w2 = Schedulers.io().createWorker();
         try {
             for (int i = 0; i < 10000; i++) {
 

src/test/java/rx/internal/util/JCToolsQueueTests.java

@@ -132,7 +132,7 @@ public void testMpscLinkedAtomicQueueOfferPoll() {
         testOfferPoll(q);
     }
 
-    @Test(timeout = 2000)
+    @Test(timeout = 20000)
     public void testMpscLinkedAtomicQueuePipelined() throws InterruptedException {
         final MpscLinkedAtomicQueue<Integer> q = new MpscLinkedAtomicQueue<Integer>();
 
@@ -202,7 +202,7 @@ public void testMpscLinkedQueueOfferPoll() {
 
         testOfferPoll(q);
     }
-    @Test(timeout = 2000)
+    @Test(timeout = 20000)
     public void testMpscLinkedQueuePipelined() throws InterruptedException {
         if (!UnsafeAccess.isUnsafeAvailable()) {
             return;
@@ -356,7 +356,7 @@ public void testSpscLinkedAtomicQueueOfferPoll() {
         testOfferPoll(q);
     }
 
-    @Test(timeout = 2000)
+    @Test(timeout = 20000)
     public void testSpscLinkedAtomicQueuePipelined() throws InterruptedException {
         final SpscLinkedAtomicQueue<Integer> q = new SpscLinkedAtomicQueue<Integer>();
         final AtomicInteger count = new AtomicInteger();
@@ -411,7 +411,7 @@ public void testSpscLinkedQueueOfferPoll() {
         testOfferPoll(q);
     }
 
-    @Test(timeout = 2000)
+    @Test(timeout = 20000)
     public void testSpscLinkedQueuePipelined() throws InterruptedException {
         if (!UnsafeAccess.isUnsafeAvailable()) {
             return;