Bug 674357 - Write a test to make sure slaves can't be allocated to b…

…oth try and prod.

master/master.cfg

@@ -85,6 +85,7 @@ f.bbc_pylint()
 f.tools_pylint()
 f.tools_run_tests()
 f.bbc_run_tests()
+f.config_tests()
 for project in ('buildbotcustom',):
     f.coverage(project)
 for r in ('buildbotcustom/buildbotcustom', 'buildbot-configs', 'tools'):

master/preproduction_factory.py

@@ -179,6 +179,14 @@ def bbc_run_tests(self):
             flunkOnFailure=False,
         ))
 
+    def config_tests(self):
+        self.addStep(ShellCommand(
+            workdir='buildbot-configs/mozilla',
+            command=['bash', '-c',
+                     'exit=0; for f in test/*.py; do trial $f || exit=1; done; exit $exit'],
+            name='config_tests',
+        ))
+
     def run_on_master(self, master_dir, cmd):
         self.addStep(MasterShellCommand(
             name='master_cmd',