Bug 764527 - Catch exceptions thrown during robocop tests. r=jmaher

mobile/android/base/tests/BaseTest.java.in

@@ -74,6 +74,20 @@ abstract class BaseTest extends ActivityInstrumentationTestCase2<Activity> {
         mRawBaseUrl = ((String)config.get("rawhost")).replaceAll("(/$)", "");
     }
 
+    @Override
+    protected void runTest() throws Throwable {
+        try {
+            super.runTest();
+        } catch (Throwable t) {
+            if (mAsserter != null) {
+                mAsserter.dumpLog("Exception caught during test!", t);
+                mAsserter.ok(false, "Exception caught", t.toString());
+            }
+            // re-throw to continue bail-out
+            throw t;
+        }
+    }
+
     public void setTestType(String type) {
         mTestType = type;