test(dart_frog_prod_server): remove unnecessary pubspec.yaml setup (#1250)

Author: alestiago

bricks/dart_frog_prod_server/hooks/test/src/create_external_packages_folder_test.dart

@@ -12,25 +12,8 @@ void main() {
       'bundles external dependencies with external dependencies',
       () async {
         final projectDirectory = Directory.systemTemp.createTempSync();
-        File(path.join(projectDirectory.path, 'pubspec.yaml'))
-            .writeAsStringSync(
-          '''
-name: example
-version: 0.1.0
-environment:
-  sdk: ^2.17.0
-dependencies:
-  mason: any
-  foo:
-    path: ../../foo
-dev_dependencies:
-  test: any
-''',
-        );
         File(path.join(projectDirectory.path, 'pubspec.lock'))
-            .writeAsStringSync(
-          fooPath,
-        );
+            .writeAsStringSync(fooPath);
         final copyCalls = <String>[];
 
         await createExternalPackagesFolder(
@@ -57,48 +40,10 @@ dev_dependencies:
       "don't bundle internal path dependencies",
       () async {
         final projectDirectory = Directory.systemTemp.createTempSync();
-        File(path.join(projectDirectory.path, 'pubspec.yaml'))
-            .writeAsStringSync(
-          '''
-name: example
-version: 0.1.0
-environment:
-  sdk: ^2.17.0
-dependencies:
-  mason: any
-  foo:
-    path: ../../foo
-  bar:
-    path: packages/bar
-dev_dependencies:
-  test: any
-''',
-        );
         File(path.join(projectDirectory.path, 'pubspec.lock'))
-            .writeAsStringSync(
-          fooPathWithInternalDependency,
-        );
+            .writeAsStringSync(fooPathWithInternalDependency);
         final copyCalls = <String>[];
 
-        File(
-          path.join(
-            projectDirectory.path,
-            'packages',
-            'bar',
-            'pubspec.yaml',
-          ),
-        )
-          ..createSync(recursive: true)
-          ..writeAsStringSync(
-            '''
-
-name: bar
-version: 0.1.0
-environment:
-  sdk: ^2.17.0
-            ''',
-          );
-
         await createExternalPackagesFolder(
           projectDirectory: projectDirectory,
           buildDirectory: Directory(path.join(projectDirectory.path, 'build')),