tests: fix failures when CDPATH is set

Some tests would otherwise fail because commands such as
  cd trash/repos/foo && git rev-list --reverse HEAD | head -1
would return 2 lines instead of 1: the 'cd' command also
prints the path when CDPATH is set.

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/tests/setup.sh b/tests/setup.sh
index b2f1169..b9475a3 100755
--- a/tests/setup.sh
+++ b/tests/setup.sh
@@ -17,2 +17,3 @@
 
+unset CDPATH