diff --git a/test/e2e/framework/ingress_utils.go b/test/e2e/framework/ingress_utils.go
index e66d09ddbfd..d75ae004fea 100644
--- a/test/e2e/framework/ingress_utils.go
+++ b/test/e2e/framework/ingress_utils.go
@@ -1128,12 +1128,12 @@ func (j *IngressTestJig) CreateIngress(manifestPath, ns string, ingAnnotations m
 		j.Ingress.Annotations[k] = v
 	}
 	j.Logger.Infof(fmt.Sprintf("creating" + j.Ingress.Name + " ingress"))
-	j.Ingress, err = j.RunCreate(j.Ingress)
+	j.Ingress, err = j.runCreate(j.Ingress)
 	ExpectNoError(err)
 }
 
-// RunCreate runs the required command to create the given ingress.
-func (j *IngressTestJig) RunCreate(ing *extensions.Ingress) (*extensions.Ingress, error) {
+// runCreate runs the required command to create the given ingress.
+func (j *IngressTestJig) runCreate(ing *extensions.Ingress) (*extensions.Ingress, error) {
 	if j.Class != MulticlusterIngressClassValue {
 		return j.Client.ExtensionsV1beta1().Ingresses(ing.Namespace).Create(ing)
 	}
@@ -1146,8 +1146,8 @@ func (j *IngressTestJig) RunCreate(ing *extensions.Ingress) (*extensions.Ingress
 	return ing, err
 }
 
-// RunUpdate runs the required command to update the given ingress.
-func (j *IngressTestJig) RunUpdate(ing *extensions.Ingress) (*extensions.Ingress, error) {
+// runUpdate runs the required command to update the given ingress.
+func (j *IngressTestJig) runUpdate(ing *extensions.Ingress) (*extensions.Ingress, error) {
 	if j.Class != MulticlusterIngressClassValue {
 		return j.Client.ExtensionsV1beta1().Ingresses(ing.Namespace).Update(ing)
 	}
@@ -1171,7 +1171,7 @@ func (j *IngressTestJig) Update(update func(ing *extensions.Ingress)) {
 			Failf("failed to get ingress %q: %v", name, err)
 		}
 		update(j.Ingress)
-		j.Ingress, err = j.RunUpdate(j.Ingress)
+		j.Ingress, err = j.runUpdate(j.Ingress)
 		if err == nil {
 			DescribeIng(j.Ingress.Namespace)
 			return
@@ -1223,7 +1223,7 @@ func (j *IngressTestJig) TryDeleteIngress() {
 }
 
 func (j *IngressTestJig) TryDeleteGivenIngress(ing *extensions.Ingress) {
-	if err := j.RunDelete(ing, j.Class); err != nil {
+	if err := j.runDelete(ing, j.Class); err != nil {
 		j.Logger.Infof("Error while deleting the ingress %v/%v with class %s: %v", ing.Namespace, ing.Name, j.Class, err)
 	}
 }
@@ -1235,8 +1235,8 @@ func (j *IngressTestJig) TryDeleteGivenService(svc *v1.Service) {
 	}
 }
 
-// RunDelete runs the required command to delete the given ingress.
-func (j *IngressTestJig) RunDelete(ing *extensions.Ingress, class string) error {
+// runDelete runs the required command to delete the given ingress.
+func (j *IngressTestJig) runDelete(ing *extensions.Ingress, class string) error {
 	if j.Class != MulticlusterIngressClassValue {
 		return j.Client.ExtensionsV1beta1().Ingresses(ing.Namespace).Delete(ing.Name, nil)
 	}
diff --git a/test/e2e/manifest/manifest.go b/test/e2e/manifest/manifest.go
index 01d7aa1ff90..1bd78e32703 100644
--- a/test/e2e/manifest/manifest.go
+++ b/test/e2e/manifest/manifest.go
@@ -92,7 +92,7 @@ func IngressFromManifest(fileName string) (*extensions.Ingress, error) {
 }
 
 // IngressToManifest generates a yaml file in the given path with the given ingress.
-// Returns the file name and error, if there was any.
+// Assumes that a directory exists at the given path.
 func IngressToManifest(ing *extensions.Ingress, path string) error {
 	serialized, err := util.MarshalToYaml(ing, extensions.SchemeGroupVersion)
 	if err != nil {
diff --git a/test/e2e/manifest/manifest_test.go b/test/e2e/manifest/manifest_test.go
index ae2145218a0..91ac882d5ba 100644
--- a/test/e2e/manifest/manifest_test.go
+++ b/test/e2e/manifest/manifest_test.go
@@ -17,6 +17,9 @@ limitations under the License.
 package manifest
 
 import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
 	"testing"
 
 	extensions "k8s.io/api/extensions/v1beta1"
@@ -24,12 +27,20 @@ import (
 
 func TestIngressToManifest(t *testing.T) {
 	ing := &extensions.Ingress{}
+	// Create a temp dir.
+	tmpDir, err := ioutil.TempDir("", "kubemci")
+	if err != nil {
+		t.Fatalf("unexpected error in creating temp dir: %s", err)
+	}
+	defer os.RemoveAll(tmpDir)
+	ingPath := filepath.Join(tmpDir, "ing.yaml")
+
 	// Write the ingress to a file and ensure that there is no error.
-	if err := IngressToManifest(ing, "/tmp/ing.yaml"); err != nil {
+	if err := IngressToManifest(ing, ingPath); err != nil {
 		t.Fatalf("Error in creating file: %s", err)
 	}
 	// Writing it again should not return an error.
-	if err := IngressToManifest(ing, "/tmp/ing.yaml"); err != nil {
+	if err := IngressToManifest(ing, ingPath); err != nil {
 		t.Fatalf("Error in creating file: %s", err)
 	}
 }