Revert "Change the location of the output directory" plus one other fix.

tools/test-runtime.dart

Index: tools/test-runtime.dart
diff --git a/tools/test-runtime.dart b/tools/test-runtime.dart
index 2077a067dcc69b28c50fac246e7b7f3e2d573cf8..036c861d05daecc0b2cb80766248b837b905d4a5 100755
--- a/tools/test-runtime.dart
+++ b/tools/test-runtime.dart
@@ -73,8 +73,6 @@ main() {
   }
 
   var testSuites = new List<TestSuite>();
-  TestingServerRunner.setBuildDir(firstConf);
-  TestingServerRunner.setPackageRootDir(firstConf);
   for (var conf in configurations) {
     if (selectors.containsKey('co19')) {
       testSuites.add(new Co19TestSuite(conf));