Add two failing tests in the local_reference_contributor_test.dart, a…

…fter some for(var foo ...) ^, the completion is in the implicit statement which is in the scope of the foo declaration.

I imagine that similar tests could/ should be written for other such ASTs.

Change-Id: Iea059af339e5dec34a937ed2c28fe55fdb072fc6
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/153100
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Commit-Queue: Jaime Wren <jwren@google.com>

pkg/analysis_server/test/services/completion/dart/local_reference_contributor_test.dart

@@ -2995,6 +2995,32 @@ main() {
     assertNotSuggested('String');
   }
 
+  @failingTest
+  Future<void> test_ForEachStatement_statement_typed() async {
+    // Statement  ForEachStatement
+    addTestSource('main(args) {for (int foo in bar) ^}');
+    await computeSuggestions();
+
+    expect(replacementOffset, completionOffset);
+    expect(replacementLength, 0);
+    assertSuggestParameter('args', null);
+    assertSuggestLocalVariable('foo', 'int');
+    assertNotSuggested('Object');
+  }
+
+  @failingTest
+  Future<void> test_ForEachStatement_statement_untyped() async {
+    // Statement  ForEachStatement
+    addTestSource('main(args) {for (var foo in bar) ^}');
+    await computeSuggestions();
+
+    expect(replacementOffset, completionOffset);
+    expect(replacementLength, 0);
+    assertSuggestParameter('args', null);
+    assertSuggestLocalVariable('foo', null);
+    assertNotSuggested('Object');
+  }
+
   Future<void> test_FormalParameterList() async {
     // FormalParameterList MethodDeclaration
     addTestSource('''