diff --git a/pkg/service/v1/config-service_test.go b/pkg/service/v1/config-service_test.go
index 7b40e512c619477278bf864fdb861c2b45070a15..e116d0cdb3c309f2b9af532ce844fd830dfb81a3 100644
--- a/pkg/service/v1/config-service_test.go
+++ b/pkg/service/v1/config-service_test.go
@@ -96,5 +96,14 @@ func TestCertManagerServiceServer_DeleteIfExists(t *testing.T) {
 	if err != nil || res.Status != v1.Status_OK {
 		t.Fail()
 	}
+}
+
+func TestBasicAuthServiceServer_DeleteIfExists(t *testing.T) {
+	client := testclient.NewSimpleClientset()
+	server := NewBasicAuthServiceServer(client)
 
+	res, err := server.DeleteIfExists(context.Background(), &illegal_req)
+	if err == nil || res != nil {
+		t.Fail()
+	}
 }
\ No newline at end of file