Keep full test_ method names in reflective tests.

pkg/analysis_server/test/reflective_tests.dart

Index: pkg/analysis_server/test/reflective_tests.dart
diff --git a/pkg/analysis_server/test/reflective_tests.dart b/pkg/analysis_server/test/reflective_tests.dart
index 685bd130982a3aac5c83a5f12f1b4de33fb252b1..63a439826801466a5d3b33e69ef41922e44db2cd 100644
--- a/pkg/analysis_server/test/reflective_tests.dart
+++ b/pkg/analysis_server/test/reflective_tests.dart
@@ -39,16 +39,14 @@ void runReflectiveTests(Type type) {
       String memberName = MirrorSystem.getName(symbol);
       // test_
       if (memberName.startsWith('test_')) {
-        String testName = memberName.substring('test_'.length);
-        test(testName, () {
+        test(memberName, () {
           return _runTest(classMirror, symbol);
         });
         return;
       }
       // solo_test_
       if (memberName.startsWith('solo_test_')) {
-        String testName = memberName.substring('solo_test_'.length);
-        solo_test(testName, () {
+        solo_test(memberName, () {
           return _runTest(classMirror, symbol);
         });
       }