tests: Use tempfile.mkdtemp to create temp dirs for tests

This puts test dirs below /tmp which often is a tmpfs.

All tests include the context module which consolidates tmpdir creation
and cleanup, undoes a chdir in teardown and silences log messages.

1 files changed, 2 insertions, 0 deletions

diff --git a/tests/test_GitModifier.py b/tests/test_GitModifier.py
index 3277d82..eee0e16 100644
--- a/tests/test_GitModifier.py
+++ b/tests/test_GitModifier.py
@@ -4,6 +4,8 @@
 Test L{gbp.git.GitModifier}
 """
 
+from . import context
+
 def test_author():
     """
     Methods tested: