Tweaks for hover.

pkg/analysis_server/test/integration/analysis/get_hover_test.dart

Index: pkg/analysis_server/test/integration/analysis/get_hover_test.dart
diff --git a/pkg/analysis_server/test/integration/analysis/get_hover_test.dart b/pkg/analysis_server/test/integration/analysis/get_hover_test.dart
index b42cd9e3573103dd2e0f2bbe30fb805e0ac16807..076ae9dfe9ea021614297c6d391d2ad3a393bbee 100644
--- a/pkg/analysis_server/test/integration/analysis/get_hover_test.dart
+++ b/pkg/analysis_server/test/integration/analysis/get_hover_test.dart
@@ -150,13 +150,13 @@ main() {
       tests.add(checkHover('topLevelVar;', 11, ['List', 'topLevelVar'],
           'top level variable', ['List']));
       tests.add(checkHover(
-          'func(', 4, ['func', 'int', 'param'], 'function', ['int', 'void'],
+          'func(', 4, ['func', 'int', 'param'], 'function', null,
           docRegexp: 'Documentation for func'));
-      tests.add(checkHover('int param', 3, ['int'], 'class', ['int'],
+      tests.add(checkHover('int param', 3, ['int'], 'class', null,
           isCore: true, docRegexp: '.*'));
       tests.add(checkHover('param)', 5, ['int', 'param'], 'parameter', ['int'],
           isLocal: true, docRegexp: 'Documentation for func'));
-      tests.add(checkHover('num localVar', 3, ['num'], 'class', ['num'],
+      tests.add(checkHover('num localVar', 3, ['num'], 'class', null,
           isCore: true, docRegexp: '.*'));
       tests.add(checkHover(
           'localVar =', 8, ['num', 'localVar'], 'local variable', ['num'],
@@ -164,10 +164,10 @@ main() {
       tests.add(checkHover('topLevelVar.length;', 11, ['List', 'topLevelVar'],
           'top level variable', ['List']));
       tests.add(checkHover(
-          'length;', 6, ['get', 'length', 'int'], 'getter', ['int'],
+          'length;', 6, ['get', 'length', 'int'], 'getter', null,
           isCore: true, docRegexp: '.*'));
       tests.add(checkHover(
-          'length =', 6, ['set', 'length', 'int'], 'setter', ['int'],
+          'length =', 6, ['set', 'length', 'int'], 'setter', null,
           isCore: true, docRegexp: '.*'));
       tests.add(checkHover('param;', 5, ['int', 'param'], 'parameter', ['int'],
           isLocal: true,