Add multibases test with namereference conflict

pkg/commands/testdata/testcase-multibases-conflict/base/kustomization.yaml

@@ -0,0 +1,4 @@
+resources:
+- serviceaccount.yaml
+- rolebinding.yaml
+namePrefix: base-

pkg/commands/testdata/testcase-multibases-conflict/base/rolebinding.yaml

@@ -0,0 +1,11 @@
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: RoleBinding
+metadata:
+  name: rolebinding
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: role
+subjects:
+- kind: ServiceAccount
+  name: serviceaccount

pkg/commands/testdata/testcase-multibases-conflict/base/serviceaccount.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: serviceaccount