Correctly route errors that occur while a QueueRunner is clearing stack

Besides surfacing the error in the hopefully-correct place, this also
prevents the queue runners for sibling suites from interleaving, which
in turn prevents all kinds of internal state corruption.

Signed-off-by: Gregg Van Hove <gvanhove@pivotal.io>

src/core/Env.js

@@ -238,6 +238,10 @@ getJasmineRequireObj().Env = function(j$) {
           reporter.suiteStarted(suite.result);
         },
         nodeComplete: function(suite, result) {
+          if (suite !== currentSuite()) {
+            throw new Error('Tried to complete the wrong suite');
+          }
+
           if (!suite.markedPending) {
             clearResourcesForRunnable(suite.id);
           }