only send final completion notification

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

Index: pkg/analysis_server/test/services/completion/completion_computer_test.dart
diff --git a/pkg/analysis_server/test/services/completion/completion_computer_test.dart b/pkg/analysis_server/test/services/completion/completion_computer_test.dart
index e6bbcb68f32e36b8119aa07754ce7d8cc45ca6ab..dddf75ec3986f8a17731cbb05d7b86c00b9307e2 100644
--- a/pkg/analysis_server/test/services/completion/completion_computer_test.dart
+++ b/pkg/analysis_server/test/services/completion/completion_computer_test.dart
@@ -94,26 +94,24 @@ class DartCompletionManagerTest extends AbstractSingleUnitTest {
       switch (++count) {
         case 1:
           contributor1.assertCalls(context, source, 0, searchEngine);
+          expect(contributor1.fastCount, equals(1));
+          expect(contributor1.fullCount, equals(0));
           contributor2.assertCalls(context, source, 0, searchEngine);
-          expect(isLast, isFalse);
-          expect(r.suggestions, hasLength(1));
-          expect(r.suggestions, contains(suggestion1));
-          resolveLibrary();
-          break;
-        case 2:
-          contributor1.assertFull(0);
-          contributor2.assertFull(1);
+          expect(contributor2.fastCount, equals(1));
+          expect(contributor2.fullCount, equals(1));
           expect(isLast, isTrue);
           expect(r.suggestions, hasLength(2));
           expect(r.suggestions, contains(suggestion1));
           expect(r.suggestions, contains(suggestion2));
+          resolveLibrary();
           break;
         default:
           fail('unexpected');
       }
     }, onDone: () {
       done = true;
-      expect(count, equals(2));
+      // There is only one notification
+      expect(count, equals(1));
     });
     return pumpEventQueue().then((_) {
       expect(done, isTrue);
@@ -134,7 +132,11 @@ class DartCompletionManagerTest extends AbstractSingleUnitTest {
       switch (++count) {
         case 1:
           contributor1.assertCalls(context, source, 0, searchEngine);
+          expect(contributor1.fastCount, equals(1));
+          expect(contributor1.fullCount, equals(0));
           contributor2.assertCalls(context, source, 0, searchEngine);
+          expect(contributor2.fastCount, equals(1));
+          expect(contributor2.fullCount, equals(0));
           expect(isLast, isTrue);
           expect(r.suggestions, hasLength(2));
           expect(r.suggestions, contains(suggestion1));
@@ -170,14 +172,11 @@ class MockCompletionContributor extends DartCompletionContributor {
 
   MockCompletionContributor(this.fastSuggestion, this.fullSuggestion);
 
-  assertCalls(AnalysisContext context, Source source, int offset,
-      SearchEngine searchEngine) {
+  assertCalls(AnalysisContext context, Source source, int offset, SearchEngine searchEngine) {
     expect(request.context, equals(context));
     expect(request.source, equals(source));
     expect(request.offset, equals(offset));
     expect(request.searchEngine, equals(searchEngine));
-    expect(this.fastCount, equals(1));
-    expect(this.fullCount, equals(0));
   }
 
   assertFull(int fullCount) {