diff --git a/pkg/controller/certificates/suite_test.go b/pkg/controller/certificates/suite_test.go
deleted file mode 100644
index 2fac97f..0000000
--- a/pkg/controller/certificates/suite_test.go
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
-Copyright 2022.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package certificates
-
-import (
-	"path/filepath"
-	"testing"
-
-	. "github.com/onsi/ginkgo/v2"
-	. "github.com/onsi/gomega"
-
-	anthoscertmanagerv1 "gitbucket.jerxie.com/yangyangxie/AnthosCertManager/pkg/apis/anthoscertmanager/v1"
-	logf "gitbucket.jerxie.com/yangyangxie/AnthosCertManager/pkg/logs"
-	"k8s.io/client-go/kubernetes/scheme"
-	"k8s.io/client-go/rest"
-	ctrl "sigs.k8s.io/controller-runtime"
-	"sigs.k8s.io/controller-runtime/pkg/client"
-	"sigs.k8s.io/controller-runtime/pkg/envtest"
-	//+kubebuilder:scaffold:imports
-)
-
-// These tests use Ginkgo (BDD-style Go testing framework). Refer to
-// http://onsi.github.io/ginkgo/ to learn more about Ginkgo.
-
-var cfg *rest.Config
-var k8sClient client.Client
-var testEnv *envtest.Environment
-
-func TestAPIs(t *testing.T) {
-	RegisterFailHandler(Fail)
-
-	RunSpecs(t, "Controller Suite")
-}
-
-var _ = BeforeSuite(func() {
-
-	ctrl.SetLogger(logf.Log)
-	By("bootstrapping test environment")
-	testEnv = &envtest.Environment{
-		CRDDirectoryPaths:     []string{filepath.Join("..", "config", "crd", "bases")},
-		ErrorIfCRDPathMissing: true,
-	}
-
-	var err error
-	// cfg is defined in this file globally.
-	cfg, err = testEnv.Start()
-	Expect(err).NotTo(HaveOccurred())
-	Expect(cfg).NotTo(BeNil())
-
-	err = anthoscertmanagerv1.AddToScheme(scheme.Scheme)
-	Expect(err).NotTo(HaveOccurred())
-
-	//+kubebuilder:scaffold:scheme
-
-	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme})
-	Expect(err).NotTo(HaveOccurred())
-	Expect(k8sClient).NotTo(BeNil())
-
-})
-
-var _ = AfterSuite(func() {
-	By("tearing down the test environment")
-	err := testEnv.Stop()
-	Expect(err).NotTo(HaveOccurred())
-})