Modify autocompletion test case to work with new feature added

pkg/analysis_server/test/domain_completion_test.dart

Index: pkg/analysis_server/test/domain_completion_test.dart
diff --git a/pkg/analysis_server/test/domain_completion_test.dart b/pkg/analysis_server/test/domain_completion_test.dart
index f8e971cc92acc9fe1977f35a835f8a81d0951b64..d69cab30e9704a6691ceefa06bd896536cbf2895 100644
--- a/pkg/analysis_server/test/domain_completion_test.dart
+++ b/pkg/analysis_server/test/domain_completion_test.dart
@@ -705,7 +705,8 @@ class B extends A {m() {^}}
     ''');
     PluginInfo info = new DiscoveredPluginInfo('a', 'b', 'c', null, null);
     plugin.CompletionGetSuggestionsResult result =
-        new plugin.CompletionGetSuggestionsResult(1, 2, <CompletionSuggestion>[
+        new plugin.CompletionGetSuggestionsResult(
+            testFile.indexOf('^'), 0, <CompletionSuggestion>[
       new CompletionSuggestion(CompletionSuggestionKind.IDENTIFIER,
           DART_RELEVANCE_DEFAULT, 'plugin completion', 3, 0, false, false)
     ]);