using kapierrors to check error condition in client.

Author: Shawn Hurley

pkg/client/client_test.go

@@ -25,6 +25,7 @@ import (
 	. "github.com/onsi/gomega"
 	appsv1 "k8s.io/api/apps/v1"
 	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/runtime"
@@ -218,7 +219,7 @@ var _ = Describe("Client", func() {
 				By("creating the object a second time")
 				err = cl.Create(context.TODO(), old)
 				Expect(err).To(HaveOccurred())
-				Expect(err.Error()).To(ContainSubstring("already exists"))
+				Expect(errors.IsAlreadyExists(err)).To(BeTrue())
 
 				close(done)
 			})
@@ -338,7 +339,7 @@ var _ = Describe("Client", func() {
 				By("creating the object a second time")
 				err = cl.Create(context.TODO(), u)
 				Expect(err).To(HaveOccurred())
-				Expect(err.Error()).To(ContainSubstring("already exists"))
+				Expect(errors.IsAlreadyExists(err)).To(BeTrue())
 
 				close(done)
 			})