test: make patchgenerator generic function

Author: supershal

pkg/handlers/aws/mutation/region/inject_test.go

@@ -22,12 +22,12 @@ func TestRegionPatch(t *testing.T) {
 
 var _ = Describe("Generate AWS Region patches", func() {
 	// only add aws region patch
-	regionPatchGenerator := func() mutation.GeneratePatches {
+	patchGenerator := func() mutation.GeneratePatches {
 		return mutation.NewMetaGeneratePatchesHandler("", NewPatch()).(mutation.GeneratePatches)
 	}
 	regiontests.TestGeneratePatches(
 		GinkgoT(),
-		regionPatchGenerator,
+		patchGenerator,
 		clusterconfig.MetaVariableName,
 		v1alpha1.AWSVariableName,
 		VariableName,

pkg/handlers/generic/mutation/httpproxy/inject_test.go

@@ -193,15 +193,17 @@ func TestHTTPProxyPatch(t *testing.T) {
 
 var _ = Describe("Generate HTTPProxy Patches", func() {
 	// only add HTTPProxy patch
-	httpProxyPatchGenerator := func() mutation.GeneratePatches {
+	patchGenerator := func() mutation.GeneratePatches {
+		// Always initialize the testEnv variable in the closure.
+		// This will allow ginkgo to initialize testEnv variable during test execution time.
 		testEnv := helpers.TestEnv
 		return mutation.NewMetaGeneratePatchesHandler(
 			"",
 			NewPatch(testEnv.Client)).(mutation.GeneratePatches)
 	}
 	httpproxy.TestGeneratePatches(
 		GinkgoT(),
-		httpProxyPatchGenerator,
+		patchGenerator,
 		clusterconfig.MetaVariableName,
 		VariableName,
 	)