Replace newline characters in factory tests

client/bin/factory_error.py

Index: client/bin/factory_error.py
diff --git a/client/bin/factory_error.py b/client/bin/factory_error.py
new file mode 100644
index 0000000000000000000000000000000000000000..a52521e301e906dedf683559375e9c38eca75cd9
--- /dev/null
+++ b/client/bin/factory_error.py
@@ -0,0 +1,21 @@
+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# DESCRIPTION :
+#
+# This library provides mocked exception classes that replace all newline
+# characters with "<br/>" so that the factory log is easier to parse.
+
+from autotest_lib.client.common_lib import error
+
+_glob = globals()
+for _name in error.__all__:
+    _thing = error.__dict__[_name]
+    if isinstance(_thing, type) and issubclass(_thing, Exception):
+        _str = lambda self: _thing.__str__(self).replace('\n', '<br/>')
+        _glob[_name] = type(_name, (_thing,), dict(__str__=_str))
+    else:
+        _glob[_name] = _thing
+
+__all__ = error.__all__