tests for missing getter/setter available suggestions

See: #40626

Change-Id: I3e35b5d7bf849c1afd20b5bd512b7e8b201e2200
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/135783
Commit-Queue: Phil Quitslund <[email protected]>
Reviewed-by: Brian Wilkerson <[email protected]>

Author: pq

pkg/analysis_server/test/client/completion_driver_test.dart

@@ -367,8 +367,25 @@ void main() {
         completion: 'v',
         element: ElementKind.TOP_LEVEL_VARIABLE,
         kind: CompletionSuggestionKind.INVOCATION);
+  }
+
+  /// See: https://github.com/dart-lang/sdk/issues/40626
+  @failingTest
+  Future<void> test_project_lib_getters() async {
+    await addProjectFile('lib/a.dart', r'''
+int get g => 0;
+''');
+
+    await addTestFile('''
+void main() {
+  ^
+}
+''');
 
-    // todo (pq): getters/setters?
+    expectSuggestion(
+        completion: 's',
+        element: ElementKind.SETTER,
+        kind: CompletionSuggestionKind.INVOCATION);
   }
 
   @failingTest
@@ -394,6 +411,25 @@ void main() {
         kind: CompletionSuggestionKind.INVOCATION);
   }
 
+  /// See: https://github.com/dart-lang/sdk/issues/40626
+  @failingTest
+  Future<void> test_project_lib_setters() async {
+    await addProjectFile('lib/a.dart', r'''
+set s(int s) {}
+''');
+
+    await addTestFile('''
+void main() {
+  ^
+}
+''');
+
+    expectSuggestion(
+        completion: 's',
+        element: ElementKind.SETTER,
+        kind: CompletionSuggestionKind.INVOCATION);
+  }
+
   Future<void> test_sdk_lib_future_isNotDuplicated() async {
     await addTestFile('''
 void main() {