fix(Makefile,tests_suite_test.go): check for env vars in code

Author: arschles

_tests/Makefile

@@ -1,7 +1,3 @@
-# These environment variables tell the tests where the deis router is, which it uses to communicate with the controller.
-# Router's default is to server on 'example.com', so 'deis.example.com' should route to controller.
-DEIS_WORKFLOW_SERVICE_HOST ?= deis.example.com
-DEIS_WORKFLOW_SERVICE_PORT ?= 80
 
 test-setup:
 	go get github.com/onsi/ginkgo/ginkgo

_tests/tests_suite_test.go

@@ -32,6 +32,10 @@ var (
 )
 
 var _ = BeforeSuite(func() {
+	workflowHost := os.Getenv("DEIS_WORKFLOW_SERVICE_HOST")
+	workflowPort := os.Getenv("DEIS_WORKFLOW_SERVICE_HOST")
+	Expect(workflowHost).ShouldNot(BeEmpty())
+	Expect(workflowPort).ShouldNot(BeEmpty())
 	Expect("../client/deis").Should(BeAnExistingFile())
 
 	// register the test-admin user