Small fixes to the integration test to make it supports the server 4.3

Author: bigmontz

test/rx/transaction.test.js

@@ -693,7 +693,7 @@ describe('#integration-rx transaction', () => {
       .toPromise()
     expect(result).toEqual([
       Notification.createError(
-        jasmine.stringMatching(/Unexpected end of input/)
+        jasmine.stringMatching(/Unexpected end of input|Invalid input/)
       )
     ])
   }

test/session.test.js

@@ -387,6 +387,7 @@ describe('#integration session', () => {
               'Query failed after a long running query was terminated',
               error
             )
+            done.fail.bind(done)
           })
       })
 

testkit/stress.py

@@ -11,4 +11,4 @@ def run(args):
     os.environ['STRESS_TEST_MODE'] = 'fastest'
     os.environ['RUNNING_TIME_IN_SECONDS'] = \
         os.environ.get('TEST_NEO4J_STRESS_DURATION', 0)
-    run(["npm", "run", "run-stress-tests"])
+    run(["gulp", "run-stress-tests-without-jasmine"])