tests: remove the less-regular fail=0 assignments manually

* tests/tail-2/assert-2:
* tests/tail-2/assert:
* tests/cp/file-perm-race:
* tests/misc/df:
* tests/misc/truncate-dir-fail:

1 files changed, 2 insertions, 4 deletions

diff --git a/tests/misc/df b/tests/misc/df
index 790309cce..4ebd29b56 100755
--- a/tests/misc/df
+++ b/tests/misc/df
@@ -25,10 +25,8 @@ fi
 
 case `df .` in
 *'
-'*)
-  fail=0;;
-*)
-  fail=1;;
+'*) ;;
+*) fail=1;;
 esac
 
 Exit $fail