Several tests: cd inside subshell instead of around

Fixed all places where it was a straightforward change from cd'ing into a
directory and back via "cd .." to a cd inside a subshell.

Found these places with "git grep -w "cd \.\.".

Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/t9106-git-svn-commit-diff-clobber.sh b/t/t9106-git-svn-commit-diff-clobber.sh
index 12f21b7..af367a1 100755
--- a/t/t9106-git-svn-commit-diff-clobber.sh
+++ b/t/t9106-git-svn-commit-diff-clobber.sh
@@ -6,21 +6,21 @@
 
 test_expect_success 'initialize repo' '
 	mkdir import &&
-	cd import &&
+	(cd import &&
 	echo initial > file &&
-	svn_cmd import -m "initial" . "$svnrepo" &&
-	cd .. &&
+	svn_cmd import -m "initial" . "$svnrepo"
+	) &&
 	echo initial > file &&
 	git update-index --add file &&
 	git commit -a -m "initial"
 	'
 test_expect_success 'commit change from svn side' '
 	svn_cmd co "$svnrepo" t.svn &&
-	cd t.svn &&
+	(cd t.svn &&
 	echo second line from svn >> file &&
 	poke file &&
-	svn_cmd commit -m "second line from svn" &&
-	cd .. &&
+	svn_cmd commit -m "second line from svn"
+	) &&
 	rm -rf t.svn
 	'
 
@@ -44,11 +44,11 @@
 	git svn fetch &&
 	git reset --hard refs/${remotes_git_svn} &&
 	svn_cmd co "$svnrepo" t.svn &&
-	cd t.svn &&
+	(cd t.svn &&
 	echo fourth line from svn >> file &&
 	poke file &&
-	svn_cmd commit -m "fourth line from svn" &&
-	cd .. &&
+	svn_cmd commit -m "fourth line from svn"
+	) &&
 	rm -rf t.svn &&
 	echo "fourth line from git" >> file &&
 	git commit -a -m "fourth line from git" &&
@@ -68,11 +68,11 @@
 
 test_expect_success 'commit another change from svn side' '
 	svn_cmd co "$svnrepo" t.svn &&
-	cd t.svn &&
+	(cd t.svn &&
 		echo third line from svn >> file &&
 		poke file &&
-		svn_cmd commit -m "third line from svn" &&
-	cd .. &&
+		svn_cmd commit -m "third line from svn"
+	) &&
 	rm -rf t.svn
 	'