Fix for no-op assist proposals.

pkg/analysis_server/test/services/correction/assist_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library test.services.correction.assist;
 
 import 'package:analysis_server/src/protocol.dart';
 import 'package:analysis_server/src/services/correction/assist.dart';
 import 'package:analysis_server/src/services/index/index.dart';
 import 'package:analysis_server/src/services/index/local_memory_index.dart';
 import 'package:analysis_server/src/services/search/search_engine_internal.dart';
+import 'package:unittest/unittest.dart';
+
 import '../../abstract_single_unit.dart';
 import '../../reflective_tests.dart';
-import 'package:unittest/unittest.dart';
 
 
 main() {
   groupSep = ' | ';
   runReflectiveTests(AssistProcessorTest);
 }
 
 
 @ReflectiveTestCase()
 class AssistProcessorTest extends AbstractSingleUnitTest {
@@ skipping 1681 matching lines @@
 ''');
   }
 
   void test_replaceConditionalWithIfElse_wrong_noEnclosingStatement() {
     _indexTestUnit('''
 var v = true ? 111 : 222;
 ''');
     assertNoAssistAt('? 111', AssistKind.REPLACE_CONDITIONAL_WITH_IF_ELSE);
   }
 
+  void test_replaceConditionalWithIfElse_wrong_notConditional() {
+    _indexTestUnit('''
+main() {
+  var v = 42;
+}
+''');
+    assertNoAssistAt('v = 42', AssistKind.REPLACE_CONDITIONAL_WITH_IF_ELSE);
+  }
+
   void test_replaceIfElseWithConditional_OK_assignment() {
     _indexTestUnit('''
 main() {
   int vvv;
   if (true) {
     vvv = 111;
   } else {
     vvv = 222;
   }
 }
@@ skipping 482 matching lines @@
   void _indexTestUnit(String code) {
     resolveTestUnit(code);
     index.indexUnit(context, testUnit);
   }
 
   void _setStartEndSelection() {
     offset = findOffset('// start\n') + '// start\n'.length;
     length = findOffset('// end') - offset;
   }
 }