Fix invalid parser test

Author: msimacek

graalpython/com.oracle.graal.python.pegparser.test/src/com/oracle/graal/python/pegparser/test/AwaitAndAsyncTests.java

@@ -97,6 +97,6 @@ public void asyncFor02() throws Exception {
 
     @Test
     public void asyncComprehension() throws Exception {
-        checkScopeAndTree("[i async for i in foo()]");
+        checkScopeAndTree("async def f():\n [i async for i in foo()]");
     }
 }

graalpython/com.oracle.graal.python.pegparser.test/testData/parser/goldenFiles/AwaitAndAsyncTests/asyncComprehension.scope

@@ -1,10 +1,14 @@
 ScopeEnvironment
   Scope null Module
     Symbols:
-      foo: [Use, GlobalImplicit]
-    Scope listcomp Function
-        Flags: [IsCoroutine, IsComprehension]
-        Varnames: .0
+      f: [DefLocal, Local]
+    Scope f Function
+        Flags: [IsCoroutine]
         Symbols:
-            .0: [DefParam, Local]
-            i: [DefLocal, Use, DefCompIter, Local]
+            foo: [Use, GlobalImplicit]
+      Scope listcomp Function
+            Flags: [IsNested, IsCoroutine, IsComprehension]
+            Varnames: .0
+            Symbols:
+                  .0: [DefParam, Local]
+                  i: [DefLocal, Use, DefCompIter, Local]

graalpython/com.oracle.graal.python.pegparser.test/testData/parser/goldenFiles/AwaitAndAsyncTests/asyncComprehension.tast

@@ -1,14 +1,20 @@
 Input:
 ------
-[i async for i in foo()]
+async def f():
+ [i async for i in foo()]
 
 Output:
 -------
-Module[1:0-1:24]
-    ListComp[1:0-1:24]
-        Element: Name[1:1-1:2] Value: "i"
-        ComprehensionTy[1:3-1:23]
-            Target: Name[1:13-1:14] Value: "i" Store
-            Iterator: 
-                Call[1:18-1:23]
-                    Target: Name[1:18-1:21] Value: "foo"
+Module[1:0-2:25]
+    AsyncFunctionDef[1:0-2:25]
+        Name:f
+        ArgumentsTy[1:0-1:0]
+        ---- Function body of f ----
+        ListComp[2:1-2:25]
+            Element: Name[2:2-2:3] Value: "i"
+            ComprehensionTy[2:4-2:24]
+                Target: Name[2:14-2:15] Value: "i" Store
+                Iterator: 
+                    Call[2:19-2:24]
+                        Target: Name[2:19-2:22] Value: "foo"
+        ---- End of f function ----