widget tests added

test/widget_test/converter_edit_text_test.dart

@@ -0,0 +1,25 @@
+import 'package:easy_cc_flutter/views/converter_edit_text.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  testWidgets('MyWidget has a title and message', (tester) async {
+    // Create the widget by telling the tester to build it.
+    const hintText = "Test hint text";
+    const enterText = "some random text";
+    TextEditingController controller = TextEditingController();
+    final box = ConverterEditText(hintText, controller, (input) {
+      expect(find.text(input!), findsOneWidget);
+    });
+    await tester.pumpWidget(MaterialApp(
+      home: Material(child: box),
+    ));
+
+    final hintFinder = find.text(hintText);
+    expect(hintFinder, findsOneWidget);
+
+    controller.text = enterText;
+    final textFinder = find.text(hintText);
+    expect(textFinder, findsOneWidget);
+  });
+}

test/widget_test/drop_down_box_test.dart

@@ -0,0 +1,18 @@
+import 'package:easy_cc_flutter/Utils/constants.dart';
+import 'package:easy_cc_flutter/views/drop_down_box.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  testWidgets('Drop down box has hint present', (tester) async {
+    // Create the widget by telling the tester to build it.
+    const hintText = "Test hint text";
+    final box = DropDownBox(listOfCurrencies, hintText, (selected) {});
+    await tester.pumpWidget(MaterialApp(
+      home: box,
+    ));
+    final hintFinder = find.text(hintText);
+
+    expect(hintFinder, findsOneWidget);
+  });
+}