git p4 test: simplify quoting involving TRASH_DIRECTORY

diff --git a/t/t7502-commit.sh b/t/t7502-commit.sh
index 3f3adc31b98773d26715089c25d8d923dd342717..181456aa9a80893e93477302516a7f00594eba85 100755 (executable)
--- a/t/t7502-commit.sh
+++ b/t/t7502-commit.sh
@@ -335,7 +335,7 @@ test_expect_success 'A single-liner subject with a token plus colon is not a foo
        git reset --hard &&
        git commit -s -m "hello: kitty" --allow-empty &&
        git cat-file commit HEAD | sed -e "1,/^$/d" >actual &&
-       test $(wc -l <actual) = 3
+       test_line_count = 3 actual
 
 '