tests: make test_must_fail more verbose

diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh
index 9d2c06ea69d5e3a9d1c464a4d619245d6823c082..f54a533456d74a3eb2f745dbc77c8ad5a5ae960f 100755 (executable)
--- a/t/t3200-branch.sh
+++ b/t/t3200-branch.sh
@@ -43,7 +43,7 @@ test_expect_success \
      git branch -l d/e/f &&
         test -f .git/refs/heads/d/e/f &&
         test -f .git/logs/refs/heads/d/e/f &&
-        diff expect .git/logs/refs/heads/d/e/f'
+        test_cmp expect .git/logs/refs/heads/d/e/f'
 
 test_expect_success \
     'git branch -d d/e/f should delete a branch and a log' \
@@ -222,30 +222,27 @@ test_expect_success \
      git checkout -b g/h/i -l master &&
         test -f .git/refs/heads/g/h/i &&
         test -f .git/logs/refs/heads/g/h/i &&
-        diff expect .git/logs/refs/heads/g/h/i'
+        test_cmp expect .git/logs/refs/heads/g/h/i'
 
 test_expect_success 'checkout -b makes reflog by default' '
        git checkout master &&
        git config --unset core.logAllRefUpdates &&
        git checkout -b alpha &&
-       test -f .git/logs/refs/heads/alpha &&
-       PAGER= git reflog show alpha
+       git rev-parse --verify alpha@{0}
 '
 
 test_expect_success 'checkout -b does not make reflog when core.logAllRefUpdates = false' '
        git checkout master &&
        git config core.logAllRefUpdates false &&
        git checkout -b beta &&
-       ! test -f .git/logs/refs/heads/beta &&
-       test_must_fail PAGER= git reflog show beta
+       test_must_fail git rev-parse --verify beta@{0}
 '
 
 test_expect_success 'checkout -b with -l makes reflog when core.logAllRefUpdates = false' '
        git checkout master &&
        git checkout -lb gamma &&
        git config --unset core.logAllRefUpdates &&
-       test -f .git/logs/refs/heads/gamma &&
-       PAGER= git reflog show gamma
+       git rev-parse --verify gamma@{0}
 '
 
 test_expect_success 'avoid ambiguous track' '