Improve running tests.

1. Test names are printed as they are executed.
2. The test which failed during the previous run is executed as soon
   as possible.yx


[SVN r17507]

tools/build

@@ -1 +1 @@
-Subproject commit 0871ce49d261390735d4e28edb274ede0ad4c2a3
+Subproject commit e02e18061ff78e5ebb3f1b96cb68fb11c5502202