fix(_tests/tests_suite_test.go): checking the right env var

Author: arschles

_tests/tests_suite_test.go

@@ -33,7 +33,7 @@ var (
 
 var _ = BeforeSuite(func() {
 	workflowHost := os.Getenv("DEIS_WORKFLOW_SERVICE_HOST")
-	workflowPort := os.Getenv("DEIS_WORKFLOW_SERVICE_HOST")
+	workflowPort := os.Getenv("DEIS_WORKFLOW_SERVICE_PORT")
 	Expect(workflowHost).ShouldNot(BeEmpty())
 	Expect(workflowPort).ShouldNot(BeEmpty())
 	Expect("../client/deis").Should(BeAnExistingFile())