Update test.dart to use the leg_only option for the leg component.

tests/language/test_config.dart

Index: tests/language/test_config.dart
diff --git a/tests/language/test_config.dart b/tests/language/test_config.dart
index 0ba616174a9d5b9e4049aefd44fac2b09ac4622c..cfed5f19e2de82848c209bbd20a8a69b644f8c37 100644
--- a/tests/language/test_config.dart
+++ b/tests/language/test_config.dart
@@ -11,5 +11,6 @@ class LanguageTestSuite extends StandardTestSuite {
       : super(configuration,
               "language",
               "tests/language/src",
-              ["tests/language/language.status"]);
+              ["tests/language/language.status",
+               "tests/language/language-leg.status"]);
 }