Fixed threading deadlock issues in some circumstances

test/dorkbox/network/BaseTest.java

@@ -178,7 +178,6 @@ class BaseTest {
 
         this.fail_check = false;
 
-        synchronized (this.endPointConnections) {
         Thread thread = null;
         if (!this.endPointConnections.isEmpty()) {
             // make sure to run this thread in the MAIN thread group..
@@ -216,6 +215,7 @@ class BaseTest {
         }
 
         while (!this.endPointConnections.isEmpty()) {
+            synchronized (this.endPointConnections) {
                 try {
                     this.endPointConnections.wait(stopAfterMillis);
                 } catch (InterruptedException e) {