Merge pull request #2119 from Microsoft/fixFailingTest

Fix failing test.

Author: CyrusNajmabadi

tests/baselines/reference/complicatedPrivacy.errors.txt

@@ -1,5 +1,5 @@
 tests/cases/compiler/complicatedPrivacy.ts(11,24): error TS1054: A 'get' accessor cannot have parameters.
-tests/cases/compiler/complicatedPrivacy.ts(35,5): error TS1170: Computed property names are not allowed in type literals.
+tests/cases/compiler/complicatedPrivacy.ts(35,5): error TS1170: A computed property name in a type literal must directly refer to a built-in symbol.
 tests/cases/compiler/complicatedPrivacy.ts(35,6): error TS2304: Cannot find name 'number'.
 tests/cases/compiler/complicatedPrivacy.ts(73,49): error TS2305: Module 'mglo5' has no exported member 'i6'.
 
@@ -43,7 +43,7 @@ tests/cases/compiler/complicatedPrivacy.ts(73,49): error TS2305: Module 'mglo5'
         {
         [number]: C1; // Used to be indexer, now it is a computed property
         ~~~~~~~~
-!!! error TS1170: Computed property names are not allowed in type literals.
+!!! error TS1170: A computed property name in a type literal must directly refer to a built-in symbol.
          ~~~~~~
 !!! error TS2304: Cannot find name 'number'.
         }) {