[ostree] tests: do not commit from the working directory

[Colin Walters <walters src gnome org>]

commit a917c96976147595ff39c7524678331776ad3127
Author: Giuseppe Scrivano <gscrivan redhat com>
Date:   Tue Jul 21 15:41:39 2015 +0200

    tests: do not commit from the working directory
    
    It fixes this problem:
    
    ```
    error: Not a regular file or symlink: S.gpg-agent
    ```
    
    Signed-off-by: Giuseppe Scrivano <gscrivan redhat com>

 tests/basic-test.sh |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)
---
diff --git a/tests/basic-test.sh b/tests/basic-test.sh
index 927764f..e8f1e9d 100755
--- a/tests/basic-test.sh
+++ b/tests/basic-test.sh
@@ -276,16 +276,18 @@ cd ${test_tmpdir}
 $OSTREE show test2
 echo "ok show with non-checksum"
 
-cd ${test_tmpdir}
+cd $test_tmpdir/checkout-test2
 checksum=$($OSTREE commit -b test4 -s "Third commit")
+cd ${test_tmpdir}
 $OSTREE show test4 > show-output
 assert_file_has_content show-output "Third commit"
 assert_file_has_content show-output "commit $checksum"
 echo "ok show full output"
 
-cd ${test_tmpdir}
+cd $test_tmpdir/checkout-test2
 checksum1=$($OSTREE commit -b test5 -s "First commit")
 checksum2=$($OSTREE commit -b test5 -s "Second commit")
+cd ${test_tmpdir}
 $OSTREE log test5 > log-output
 assert_file_has_content log-output "First commit"
 assert_file_has_content log-output "commit $checksum1"
@@ -293,9 +295,10 @@ assert_file_has_content log-output "Second commit"
 assert_file_has_content log-output "commit $checksum2"
 echo "ok log output"
 
-cd ${test_tmpdir}
+cd $test_tmpdir/checkout-test2
 checksum1=$($OSTREE commit -b test6 -s "First commit")
 checksum2=$($OSTREE commit -b test6 -s "Second commit")
+cd ${test_tmpdir}
 $OSTREE show test6 > show-output
 assert_file_has_content show-output "commit $checksum2"
 $OSTREE reset test6 $checksum1
@@ -310,7 +313,9 @@ touch checkout-test2/sometestfile
 $OSTREE commit -s sometest -b test2 checkout-test2
 echo "ok commit with directory filename"
 
+cd $test_tmpdir/checkout-test2
 $OSTREE commit -b test2 -s "Metadata string" --add-metadata-string=FOO=BAR 
--add-metadata-string=KITTENS=CUTE --add-detached-metadata-string=SIGNATURE=HANCOCK --tree=ref=test2
+cd ${test_tmpdir}
 $OSTREE show --print-metadata-key=FOO test2 > test2-meta
 assert_file_has_content test2-meta "BAR"
 $OSTREE show --print-metadata-key=KITTENS test2 > test2-meta