suggest this keyword in constructor param list

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

Index: pkg/analysis_server/test/services/completion/keyword_contributor_test.dart
diff --git a/pkg/analysis_server/test/services/completion/keyword_contributor_test.dart b/pkg/analysis_server/test/services/completion/keyword_contributor_test.dart
index ca8a3932838cacb3e6b3a170f9ba828a563c1b4b..e09fd34e6d77fb9ae2001d73d02737e929f3a040 100644
--- a/pkg/analysis_server/test/services/completion/keyword_contributor_test.dart
+++ b/pkg/analysis_server/test/services/completion/keyword_contributor_test.dart
@@ -337,6 +337,18 @@ class KeywordContributorTest extends AbstractCompletionTest {
     assertSuggestKeywords([]);
   }
 
+  test_constructor_param() {
+    addTestSource('class A { A(^) {});}');
+    expect(computeFast(), isTrue);
+    assertSuggestKeywords([Keyword.THIS]);
+  }
+
+  test_constructor_param2() {
+    addTestSource('class A { A(t^) {});}');
+    expect(computeFast(), isTrue);
+    assertSuggestKeywords([Keyword.THIS]);
+  }
+
   test_empty() {
     addTestSource('^');
     expect(computeFast(), isTrue);
@@ -561,6 +573,18 @@ class A {
     assertSuggestKeywords(STMT_START_IN_CLASS);
   }
 
+  test_method_param() {
+    addTestSource('class A { foo(^) {});}');
+    expect(computeFast(), isTrue);
+    assertNoSuggestions();
+  }
+
+  test_method_param2() {
+    addTestSource('class A { foo(t^) {});}');
+    expect(computeFast(), isTrue);
+    assertNoSuggestions();
+  }
+
   test_named_constructor_invocation() {
     addTestSource('void main() {new Future.^}');
     expect(computeFast(), isTrue);