test renaming overhaul: step 4 client tests

tests/benchmark_smoke/benchmark_lib.dart

Index: tests/benchmark_smoke/benchmark_lib.dart
diff --git a/client/tests/client/samples/smoketest/benchmarklib.dart b/tests/benchmark_smoke/benchmark_lib.dart
similarity index 76%
rename from client/tests/client/samples/smoketest/benchmarklib.dart
rename to tests/benchmark_smoke/benchmark_lib.dart
index a2b36afabf7ecfd3238b103a475477bd1729620d..04256192095b5aec68ccd2e49f07e2240853ae2c 100644
--- a/client/tests/client/samples/smoketest/benchmarklib.dart
+++ b/tests/benchmark_smoke/benchmark_lib.dart
@@ -2,12 +2,12 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-#library("benchmarklib");
+#library("benchmark_lib");
 
 #import('dart:coreimpl');
 #import('dart:json');
 #import('dart:html');
 
-#import('Smoketest.dart');
-#source('BenchmarkBase.dart');
+#import('smoketest_lib.dart');
+#source('benchmark_base.dart');