Update existing test file instead of creating new one for managedByExtended

Co-authored-by: raosuhas <11067581+raosuhas@users.noreply.github.com>

Author: Copilot

packages/rulesets/src/native/tests/migrated-arm-rule-tests.ts

@@ -21,13 +21,6 @@ describe("IndividualAzureTests", () => {
     assertValidationRuleCount(messages, ruleName, 1)
   })
 
-  test("body top level resource with managedByExtended should pass", async () => {
-    const fileNames = ["body-top-level-properties-managedByExtended.json"]
-    const ruleName = "BodyTopLevelProperties"
-    const messages: LintResultMessage[] = await collectTestMessagesFromValidator(fileNames, OpenApiTypes.arm, ruleName)
-    assertValidationRuleCount(messages, ruleName, 0)
-  })
-
   test("tracked resource must have patch", async () => {
     const fileNames = ["armResource/trackedResourceNoPatch.json", "armResource/trackedResourceCommon.json"]
     const ruleName = "TrackedResourcePatchOperation"

packages/rulesets/src/native/tests/resources/body-top-level-properties-managedByExtended.json

@@ -140,6 +140,13 @@
           "type": "string",
           "description": "The escaped name of the namespace."
         },
+        "managedByExtended": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          },
+          "description": "The fully qualified resource IDs of the resources that manage this resource"
+        },
         "classification": {
           "$ref": "#/definitions/NamespaceClassification",
           "description": "Kind of namespace"