tests: make use of the test_must_be_empty function

diff --git a/t/t7006-pager.sh b/t/t7006-pager.sh
index 7541ba5edbcae1f1555c367b7f8bfc795913ff60..00e09a375c2e6e3bfce2c2f8ce93493513082b2d 100755 (executable)
--- a/t/t7006-pager.sh
+++ b/t/t7006-pager.sh
@@ -626,12 +626,11 @@ test_expect_success TTY 'sub-commands of externals use their own pager' '
 
 test_expect_success TTY 'external command pagers override sub-commands' '
        sane_unset PAGER GIT_PAGER &&
-       >expect &&
        >actual &&
        test_config pager.external false &&
        test_config pager.log "sed s/^/log:/ >actual" &&
        test_terminal git --exec-path=. external log --format=%s -1 &&
-       test_cmp expect actual
+       test_must_be_empty actual
 '
 
 test_expect_success 'command with underscores does not complain' '