Report errors for the new top-level inference rules.

pkg/analyzer/test/src/task/strong/checker_test.dart

Index: pkg/analyzer/test/src/task/strong/checker_test.dart
diff --git a/pkg/analyzer/test/src/task/strong/checker_test.dart b/pkg/analyzer/test/src/task/strong/checker_test.dart
index e976f09ccc92771bd55460271377a6d30195ecb9..361d57742a0eb50d4384ac618030f785325be636 100644
--- a/pkg/analyzer/test/src/task/strong/checker_test.dart
+++ b/pkg/analyzer/test/src/task/strong/checker_test.dart
@@ -2205,7 +2205,9 @@ main() {
   }
 
   test_implicitCasts_genericMethods() async {
-    addFile('var x = <String>[].map((x) => "");');
+    addFile('''
+var x = <String>[].map<String>((x) => "");
+''');
     await check(implicitCasts: false);
   }
 
@@ -2225,7 +2227,8 @@ void f() {
     addFile(r'''
 class C {
   var /*error:IMPLICIT_DYNAMIC_FIELD*/x0;
-  var /*error:IMPLICIT_DYNAMIC_FIELD*/x1 = (<dynamic>[])[0];
+  var /*error:IMPLICIT_DYNAMIC_FIELD*/x1 =
+      /*error:TOP_LEVEL_UNSUPPORTED*/(<dynamic>[])[0];
   var /*error:IMPLICIT_DYNAMIC_FIELD*/x2,
       x3 = 42,
       /*error:IMPLICIT_DYNAMIC_FIELD*/x4;
@@ -2452,7 +2455,8 @@ A g(B b) {
   test_implicitDynamic_variable() async {
     addFile(r'''
 var /*error:IMPLICIT_DYNAMIC_VARIABLE*/x0;
-var /*error:IMPLICIT_DYNAMIC_VARIABLE*/x1 = (<dynamic>[])[0];
+var /*error:IMPLICIT_DYNAMIC_VARIABLE*/x1 =
+    /*error:TOP_LEVEL_UNSUPPORTED*/(<dynamic>[])[0];
 var /*error:IMPLICIT_DYNAMIC_VARIABLE*/x2,
     x3 = 42,
     /*error:IMPLICIT_DYNAMIC_VARIABLE*/x4;