Dart - Bootstrapping Test

Note: This guide assumes you have Dart SDK and stagehand installed.

Create a new project structure for the code.

(Assuming the project is named new_kata)
```
mkdir new_kata
cd new_kata
stagehand package-simple
pub get
```

Modify the generated implementation file (new_kata\test\new_kata_test.dart) with the following content:

import 'package:new_kata/new_kata.dart';
import 'package:test/test.dart';

void main() {
    group('Coding Dojo Test Suite', () {
        KataLib library;

        setUp(() {
            library = KataLib();
        });

        test('Simple Addition Test', () {
            expect(library.add(1, 2), 3);
        });
    });
}

Modify the generated implementation file (new_kata\lib\src\new_kata_base.dart) with the following content:
```
class KataLib {
    int add(int x, int y) => x + y;
}
```
Run the test.
```
pub run test
```
You should see something like this:
```
00:04 +1: All tests passed!
```

Checkout the Dart Language Tour to know more about the language.