Update cases for async fns with a line terminator

test/language/expressions/async-arrow-function/async-lineterminator-identifier-throws.js

@@ -4,10 +4,9 @@
 /*---
 esid: prod-AsyncArrowFunction
 description: async arrows cannot have a line terminator between "async" and the AsyncArrowBindingIdentifier
-negative:
-  phase: early
-  type: ReferenceError
 ---*/
 
-async
-foo => { }
+assert.throws(ReferenceError, function() {
+  async
+  identifier => {}
+});

test/language/expressions/async-arrow-function/early-errors-arrow-formals-lineterminator.js

@@ -10,4 +10,4 @@ negative:
 ---*/
 
 async
-(foo,bar) => { }
+(foo) => { }

test/language/expressions/object/method-definition/early-errors-object-method-async-lineterminator.js

@@ -9,7 +9,7 @@ negative:
   type: SyntaxError
 ---*/
 
-{
+!{
   async
-  foo () { }
+  foo() { }
 }