Use containsOnce for metadata e2e expected files (#13815)

Migrate outer-level contains to containsOnce in service, instance,
endpoint, and topology expected files (101 files). containsOnce uses
backtracking for optimal 1:1 assignment between expected and actual
entries, which is more precise for metadata where we know exactly
which entries should exist.

Inner nested contains (layers, tags, etc.) are left unchanged.

Author: wu-sheng

test/e2e-v2/cases/activemq/expected/endpoint.yml

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-{{- contains .}}
+{{- containsOnce .}}
 - id: {{ b64enc "activemq::activemq-cluster" }}.1_{{ b64enc "testQueue" }}
   name: testQueue
 - id: {{ b64enc "activemq::activemq-cluster" }}.1_{{ b64enc "testTopic" }}

test/e2e-v2/cases/activemq/expected/instance.yml

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-{{- contains . }}
+{{- containsOnce . }}
 - id: {{ notEmpty .id }}
   name: activemq-broker
   instanceuuid: {{ notEmpty .instanceuuid }}

test/e2e-v2/cases/activemq/expected/service.yml

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-{{- contains . }}
+{{- containsOnce . }}
 - id: {{ b64enc "activemq::activemq-cluster" }}.1
   name: activemq::activemq-cluster
   group: activemq

test/e2e-v2/cases/alarm/expected/service.yml

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-{{- contains . }}
+{{- containsOnce . }}
 - id: {{ b64enc "e2e-service-provider" }}.1
   name: e2e-service-provider
   group: ""

test/e2e-v2/cases/apisix/expected/instance.yml

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-  {{- contains . }}
+  {{- containsOnce . }}
 - id: {{ notEmpty .id }}
   name: {{ notEmpty .name }}
   instanceuuid: {{ notEmpty .instanceuuid }}

test/e2e-v2/cases/apisix/expected/service.yml

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-{{- contains . }}
+{{- containsOnce . }}
 - id: {{ b64enc "APISIX::showcase-apisix-service" }}.1
   name: APISIX::showcase-apisix-service
   shortname: showcase-apisix-service

test/e2e-v2/cases/aws/api-gateway/expected/service.yml

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-  {{- contains . }}
+  {{- containsOnce . }}
 - id: {{ b64enc "aws-api-gateway::$default:6m85d5acx7" }}.1
   name: "aws-api-gateway::$default:6m85d5acx7"
   group: aws-api-gateway

test/e2e-v2/cases/aws/dynamodb/expected/service.yml

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-{{- contains . }}
+{{- containsOnce . }}
 - id: {{ b64enc "aws-dynamodb::xxxxxxxx" }}.1
   name: aws-dynamodb::xxxxxxxx
   group: aws-dynamodb

test/e2e-v2/cases/aws/eks/expected/endpoint.yml

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-{{- contains .}}
+{{- containsOnce .}}
 - id: {{ b64enc "aws-eks-cluster::SkyWalking" }}.1_{{ b64enc "kube-dns" }}
   name: kube-dns
 {{- end}}

test/e2e-v2/cases/aws/eks/expected/instance.yml

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-  {{- contains . }}
+  {{- containsOnce . }}
 - id: {{ notEmpty .id }}
   name:  ip-172-31-10-158.ap-northeast-1.compute.internal
   instanceuuid: {{ notEmpty .instanceuuid }}