Fix issues

Author: gthea

events/README.md

@@ -0,0 +1,5 @@
+# Events module
+
+This module provides a generic events management system.
+
+Allows the definition of internal and external events interdependencies, as well as registration.

events/src/main/java/io/harness/events/EventsManagerCore.java

@@ -104,8 +104,11 @@ public boolean eventAlreadyTriggered(E event) {
         try {
             mProcessQueue.execute(latch::countDown);
             latch.await();
-        } catch (RejectedExecutionException | InterruptedException e) {
-            // If executor is shut down or interrupted, just check current state
+        } catch (RejectedExecutionException e) {
+            // Executor is shut down
+        } catch (InterruptedException e) {
+            // Restore interrupt status; check current state
+            Thread.currentThread().interrupt();
         }
 
         synchronized (mLock) {

events/src/test/java/io/harness/events/EventsManagerTest.java

@@ -222,9 +222,6 @@ public void orderTimedOutIsSuppressedWhenDishServedFires() throws InterruptedExc
         // ORDER_TIMED_OUT should be suppressed
         eventsManager.notifyInternalEvent(KitchenActivity.TIMEOUT_REACHED, null);
 
-        // Give some time for potential (incorrect) processing
-        Thread.sleep(100);
-
         assertEquals(0, timeoutCount.get());
         assertFalse(eventsManager.eventAlreadyTriggered(CookingEvent.ORDER_TIMED_OUT));
     }