fix existing tests to accept new behavior

Author: uhyo

tests/baselines/reference/awaitLiteralValues.errors.txt

@@ -11,35 +11,41 @@ tests/cases/compiler/awaitLiteralValues.ts(22,5): error TS1308: 'await' expressi
         await 'literal';
         ~~~~~
 !!! error TS1308: 'await' expression is only allowed within an async function.
+!!! related TS1356 tests/cases/compiler/awaitLiteralValues.ts:1:10: Did you mean to mark this function as 'async'?
     }
 
     function awaitNumber() {
         await 1;
         ~~~~~
 !!! error TS1308: 'await' expression is only allowed within an async function.
+!!! related TS1356 tests/cases/compiler/awaitLiteralValues.ts:5:10: Did you mean to mark this function as 'async'?
     }
 
     function awaitTrue() {
         await true;
         ~~~~~
 !!! error TS1308: 'await' expression is only allowed within an async function.
+!!! related TS1356 tests/cases/compiler/awaitLiteralValues.ts:9:10: Did you mean to mark this function as 'async'?
     }
 
     function awaitFalse() {
         await false;
         ~~~~~
 !!! error TS1308: 'await' expression is only allowed within an async function.
+!!! related TS1356 tests/cases/compiler/awaitLiteralValues.ts:13:10: Did you mean to mark this function as 'async'?
     }
 
     function awaitNull() {
         await null;
         ~~~~~
 !!! error TS1308: 'await' expression is only allowed within an async function.
+!!! related TS1356 tests/cases/compiler/awaitLiteralValues.ts:17:10: Did you mean to mark this function as 'async'?
     }
 
     function awaitUndefined() {
         await undefined;
         ~~~~~
 !!! error TS1308: 'await' expression is only allowed within an async function.
+!!! related TS1356 tests/cases/compiler/awaitLiteralValues.ts:21:10: Did you mean to mark this function as 'async'?
     }
 

tests/baselines/reference/parser.forAwait.es2018.errors.txt

@@ -52,6 +52,7 @@ tests/cases/conformance/parser/ecmascript2018/forAwait/topLevelWithExprIsError.t
         for await (const x of y) {
             ~~~~~
 !!! error TS1103: A 'for-await-of' statement is only allowed within an async function or async generator.
+!!! related TS1356 tests/cases/conformance/parser/ecmascript2018/forAwait/inFunctionDeclWithDeclIsError.ts:1:10: Did you mean to mark this function as 'async'?
         }
     }
 ==== tests/cases/conformance/parser/ecmascript2018/forAwait/inFunctionDeclWithExprIsError.ts (1 errors) ====
@@ -60,6 +61,7 @@ tests/cases/conformance/parser/ecmascript2018/forAwait/topLevelWithExprIsError.t
         for await (x of y) {
             ~~~~~
 !!! error TS1103: A 'for-await-of' statement is only allowed within an async function or async generator.
+!!! related TS1356 tests/cases/conformance/parser/ecmascript2018/forAwait/inFunctionDeclWithExprIsError.ts:1:10: Did you mean to mark this function as 'async'?
         }
     }
 ==== tests/cases/conformance/parser/ecmascript2018/forAwait/inAsyncFunctionWithDeclIsOk.ts (0 errors) ====
@@ -92,6 +94,7 @@ tests/cases/conformance/parser/ecmascript2018/forAwait/topLevelWithExprIsError.t
         for await (const x of y) {
             ~~~~~
 !!! error TS1103: A 'for-await-of' statement is only allowed within an async function or async generator.
+!!! related TS1356 tests/cases/conformance/parser/ecmascript2018/forAwait/inGeneratorWithDeclIsError.ts:1:11: Did you mean to mark this function as 'async'?
         }
     }
 ==== tests/cases/conformance/parser/ecmascript2018/forAwait/inGeneratorWithExprIsError.ts (1 errors) ====
@@ -100,6 +103,7 @@ tests/cases/conformance/parser/ecmascript2018/forAwait/topLevelWithExprIsError.t
         for await (x of y) {
             ~~~~~
 !!! error TS1103: A 'for-await-of' statement is only allowed within an async function or async generator.
+!!! related TS1356 tests/cases/conformance/parser/ecmascript2018/forAwait/inGeneratorWithExprIsError.ts:1:11: Did you mean to mark this function as 'async'?
         }
     }