When a test class is named SoloTest, run it using solo_group().

pkg/analyzer/test/reflective_tests.dart

Index: pkg/analyzer/test/reflective_tests.dart
diff --git a/pkg/analyzer/test/reflective_tests.dart b/pkg/analyzer/test/reflective_tests.dart
index 478877600f628b613100a3c0b449d3f459131eca..b8e5d0a7ae77acc35c20415f562ef4b0647085b4 100644
--- a/pkg/analyzer/test/reflective_tests.dart
+++ b/pkg/analyzer/test/reflective_tests.dart
@@ -65,8 +65,7 @@ void runReflectiveTests(Type type) {
     throw new Exception('Class $name must have annotation "@reflectiveTest" '
         'in order to be run by runReflectiveTests.');
   }
-  String className = MirrorSystem.getName(classMirror.simpleName);
-  group(className, () {
+  void runMembers() {
     classMirror.instanceMembers
         .forEach((Symbol symbol, MethodMirror memberMirror) {
       // we need only methods
@@ -105,7 +104,13 @@ void runReflectiveTests(Type type) {
         });
       }
     });
-  });
+  }
+  String className = MirrorSystem.getName(classMirror.simpleName);
+  if (className.endsWith('SoloTest')) {
+    solo_group(className, runMembers);
+  } else {
+    group(className, runMembers);
+  }
 }
 
 bool _hasAnnotationInstance(DeclarationMirror declaration, instance) =>