tests: add tests for dashbot action buttons(cv: 95.5)

test/dashbot/widgets/action_buttons/test_utils.dart

@@ -0,0 +1,55 @@
+import 'package:apidash/dashbot/core/model/chat_attachment.dart';
+import 'package:apidash/dashbot/core/providers/dashbot_window_notifier.dart';
+import 'package:apidash/dashbot/features/chat/models/chat_action.dart';
+import 'package:apidash/dashbot/features/chat/viewmodel/chat_viewmodel.dart';
+import 'package:apidash/dashbot/core/constants/constants.dart';
+
+class TestChatViewmodel extends ChatViewmodel {
+  TestChatViewmodel(super.ref);
+
+  final List<ChatAction> applyAutoFixCalls = [];
+  final List<({String text, ChatMessageType type, bool countAsUser})>
+      sendMessageCalls = [];
+  final List<ChatAttachment> openApiAttachmentCalls = [];
+
+  bool throwOnApplyAutoFix = false;
+
+  @override
+  Future<void> applyAutoFix(ChatAction action) async {
+    applyAutoFixCalls.add(action);
+    if (throwOnApplyAutoFix) {
+      throw Exception('applyAutoFix error');
+    }
+  }
+
+  @override
+  Future<void> sendMessage({
+    required String text,
+    ChatMessageType type = ChatMessageType.general,
+    bool countAsUser = true,
+  }) async {
+    sendMessageCalls.add((text: text, type: type, countAsUser: countAsUser));
+  }
+
+  @override
+  Future<void> handleOpenApiAttachment(ChatAttachment att) async {
+    openApiAttachmentCalls.add(att);
+  }
+}
+
+class RecordingDashbotWindowNotifier extends DashbotWindowNotifier {
+  int hideCalls = 0;
+  int showCalls = 0;
+
+  @override
+  void hide() {
+    hideCalls += 1;
+    super.hide();
+  }
+
+  @override
+  void show() {
+    showCalls += 1;
+    super.show();
+  }
+}