Some more diagnostics.

tools/testing/dart/test_suite.dart

Index: tools/testing/dart/test_suite.dart
diff --git a/tools/testing/dart/test_suite.dart b/tools/testing/dart/test_suite.dart
index 27dd6ecf6dd14f25389b026eb0eca8dbafa4e135..1970513e61ffce96f21b42adbc141f8313abcc1c 100644
--- a/tools/testing/dart/test_suite.dart
+++ b/tools/testing/dart/test_suite.dart
@@ -1506,7 +1506,6 @@ class TestUtils {
    * [base] directory if that [relativePath] does not already exist.
    */
   static Directory mkdirRecursive(Path base, Path relativePath) {
-    print("======= $base|$relativePath|${relativePath.isAbsolute}|${relativePath.segments()}");
     if (relativePath.isAbsolute) {
       base = new Path('/');
     }
@@ -1523,6 +1522,7 @@ class TestUtils {
       }
       base = base.append(segment);
       dir = new Directory.fromPath(base);
+      print("======= creating $dir $base");

[ahe, 2012/12/04 13:02:08]

Any chance of getting rid of these messages?

       if (!dir.existsSync()) {
           dir.createSync();
       }