Run commands in the mini_installer test framework from the framework's directory.

chrome/test/mini_installer/test_installer.py

Index: chrome/test/mini_installer/test_installer.py
diff --git a/chrome/test/mini_installer/test_installer.py b/chrome/test/mini_installer/test_installer.py
index ea0aeb69c0ad052fb4c3d1d59e80b3d197749b15..adb42145db4cbce10d000210e5e3a018890c5264 100644
--- a/chrome/test/mini_installer/test_installer.py
+++ b/chrome/test/mini_installer/test_installer.py
@@ -106,11 +106,12 @@ class InstallerTest(unittest.TestCase):
       raise AssertionError("In state '%s', %s" % (state, e))
 
   def _RunCommand(self, command):

[robertshield, 2013/09/04 22:16:29]

please add a brief method comment that mentions that the command is run from the
current file's dir

[sukolsak, 2013/09/04 22:53:49]

Done.

-    exit_status = subprocess.call(self._path_resolver.ResolvePath(command),
-                                  shell=True)
+    resolved_command = self._path_resolver.ResolvePath(command)
+    script_dir = os.path.dirname(__file__)
+    exit_status = subprocess.call(resolved_command, shell=True, cwd=script_dir)
     if exit_status != 0:
-      self.fail('Command %s returned non-zero exit status %s' % (command,
-                                                                 exit_status))
+      self.fail('Command %s returned non-zero exit status %s' % (
+          resolved_command, exit_status))
 
 
 def MergePropertyDictionaries(current_property, new_property):