blank-line
diff --git a/test/rules/do_not_use_environment_test.dart b/test/rules/do_not_use_environment_test.dart
index 8457acb..36a3c1c 100644
--- a/test/rules/do_not_use_environment_test.dart
+++ b/test/rules/do_not_use_environment_test.dart
@@ -16,6 +16,7 @@
 class DoNotUseEnvironmentTest extends LintRuleTest {
   @override
   String get lintRule => 'do_not_use_environment';
+
   test_bool() async {
     await assertDiagnostics(r'''
 void f() {