Merge pull request #23023 from apple/revert-22930-xfail-dictionary-invalidation-test-5.1

Revert "[5.1][test] Dictionary: Skip a failing index validation test"

Author: lorentey

validation-test/stdlib/Dictionary.swift

@@ -5239,9 +5239,7 @@ DictionaryTestSuite.test("Values.MutationDoesNotInvalidateIndices.Native") {
 }
 
 #if _runtime(_ObjC)
-DictionaryTestSuite.test("Values.MutationDoesNotInvalidateIndices.Bridged")
-  .skip(.always("rdar://problem/47973577"))
-  .code {
+DictionaryTestSuite.test("Values.MutationDoesNotInvalidateIndices.Bridged") {
   let objects: [NSNumber] = [1, 2, 3, 4]
   let keys: [NSString] = ["Blanche", "Rose", "Dorothy", "Sophia"]
   let ns = NSDictionary(objects: objects, forKeys: keys)