completion: simplify __gitcomp() test helper

diff --git a/t/t1007-hash-object.sh b/t/t1007-hash-object.sh
index 6d52b824b115964c5551aaf4284205b98b885ce3..f83df8eb8b143086df00e163a30ad96e43404001 100755 (executable)
--- a/t/t1007-hash-object.sh
+++ b/t/t1007-hash-object.sh
@@ -189,7 +189,7 @@ for args in "-w --stdin-paths" "--stdin-paths -w"; do
 done
 
 test_expect_success 'corrupt tree' '
-       echo abc >malformed-tree
+       echo abc >malformed-tree &&
        test_must_fail git hash-object -t tree malformed-tree
 '