headers: normalize the spelling of some header guards

diff --git a/t/t9903-bash-prompt.sh b/t/t9903-bash-prompt.sh
index ab890d3d4b3e2a39bb787bd29d7865c46f64c7f6..81a5179e28bf529bc2f0a8bc197108fcb69fba72 100755 (executable)
--- a/t/t9903-bash-prompt.sh
+++ b/t/t9903-bash-prompt.sh
@@ -513,10 +513,9 @@ test_expect_success 'prompt - format string starting with dash' '
 
 test_expect_success 'prompt - pc mode' '
        printf "BEFORE: (\${__git_ps1_branch_name}):AFTER\\nmaster" >expected &&
-       printf "" >expected_output &&
        (
                __git_ps1 "BEFORE:" ":AFTER" >"$actual" &&
-               test_cmp expected_output "$actual" &&
+               test_must_be_empty "$actual" &&
                printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
        ) &&
        test_cmp expected "$actual"
@@ -712,13 +711,12 @@ test_expect_success 'prompt - hide if pwd ignored - env var set, config disabled
 '
 
 test_expect_success 'prompt - hide if pwd ignored - env var set, config unset' '
-       printf "" >expected &&
        (
                cd ignored_dir &&
                GIT_PS1_HIDE_IF_PWD_IGNORED=y &&
                __git_ps1 >"$actual"
        ) &&
-       test_cmp expected "$actual"
+       test_must_be_empty "$actual"
 '
 
 test_expect_success 'prompt - hide if pwd ignored - env var set, config unset, pc mode' '