t9400-git-cvsserver-server: Wrap setup into test case

It is preferable to have the test setup in a test case.  The
setup itself may fail and having it as a test case handles this
situation more gracefully.

Signed-off-by: Steffen Prohaska <prohaska@zib.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/t9400-git-cvsserver-server.sh b/t/t9400-git-cvsserver-server.sh
index 641303e..1f2749e 100755
--- a/t/t9400-git-cvsserver-server.sh
+++ b/t/t9400-git-cvsserver-server.sh
@@ -33,13 +33,14 @@
 export CVSROOT CVS_SERVER
 
 rm -rf "$CVSWORK" "$SERVERDIR"
-echo >empty &&
+test_expect_success 'setup' '
+  echo >empty &&
   git add empty &&
   git commit -q -m "First Commit" &&
   git clone -q --local --bare "$WORKDIR/.git" "$SERVERDIR" >/dev/null 2>&1 &&
   GIT_DIR="$SERVERDIR" git config --bool gitcvs.enabled true &&
-  GIT_DIR="$SERVERDIR" git config gitcvs.logfile "$SERVERDIR/gitcvs.log" ||
-  exit 1
+  GIT_DIR="$SERVERDIR" git config gitcvs.logfile "$SERVERDIR/gitcvs.log"
+'
 
 # note that cvs doesn't accept absolute pathnames
 # as argument to co -d