refactor: updated packages and fixed broken test

Author: wilburx9

example/lib/main.dart

@@ -25,6 +25,7 @@ class MyApp extends StatelessWidget {
   Widget build(BuildContext context) {
     return new MaterialApp(
       title: appName,
+      darkTheme: ThemeData.dark(),
       home: new HomePage(),
     );
   }

example/test/widget_test.dart

@@ -6,16 +6,16 @@ homepage: https://github.com/wilburt/flutter_paystack
 dependencies:
   flutter:
     sdk: flutter
-  http: ^0.13.1
+  http: ^0.13.5
   intl: ^0.17.0
-  meta: ^1.3.0
-  async: ^2.5.0
+  meta: ^1.8.0
+  async: ^2.9.0
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  matcher: ^0.12.10
-  mockito: ^5.0.3
+  matcher: ^0.12.12
+  mockito: ^5.3.1
 
 
 flutter:

pubspec.yaml

@@ -79,14 +79,14 @@ void main() {
 
     group("#hasMonthPassed", () {
       final cases = [
-        Case(inp: [2021, 10], out: false),
+        Case(inp: [2027, 10], out: false),
         Case(inp: [10, 0], out: true),
         Case(inp: [0, 0], out: true),
         Case(inp: [1994, 1], out: true),
         Case(inp: [1, 1], out: true),
         Case(inp: [-203, -13], out: true),
         Case(inp: [22, 10], out: false),
-        Case(inp: [2021, 05], out: false),
+        Case(inp: [2027, 05], out: false),
         Case(inp: [null, 05], out: true),
         Case(inp: [24, null], out: true),
         Case(inp: [null, null], out: true),
@@ -120,14 +120,14 @@ void main() {
 
     group("#isNotExpired", () {
       final cases = [
-        Case(inp: [2021, 10], out: true),
+        Case(inp: [2027, 10], out: true),
         Case(inp: [10, 0], out: false),
         Case(inp: [0, 0], out: false),
         Case(inp: [1994, 1], out: false),
         Case(inp: [1, 1], out: false),
         Case(inp: [-203, -13], out: false),
         Case(inp: [22, 10], out: true),
-        Case(inp: [2021, 05], out: true),
+        Case(inp: [2027, 05], out: true),
         Case(inp: [24, null], out: false),
         Case(inp: [null, null], out: false),
         Case(inp: [45, 67], out: false),

test/src/common/card_utils_test.dart

@@ -189,7 +189,7 @@ void main() {
                 number: "4111111111111111",
                 cvc: "123",
                 expiryMonth: 09,
-                expiryYear: 2021),
+                expiryYear: 2027),
             out: true),
         Case(
             desc: "expired card",
@@ -205,7 +205,7 @@ void main() {
                 number: "6011000000000004",
                 cvc: "123",
                 expiryMonth: 09,
-                expiryYear: 23),
+                expiryYear: 27),
             out: true),
       ];