t7003: Use test_commit instead of custom function

diff --git a/t/t7607-merge-overwrite.sh b/t/t7607-merge-overwrite.sh
index 49f4e1599acd829fdd930c1f9b5bc30ac719053d..d82349a6a8d6c12c3ca4398a18bd6c1dd42efdc9 100755 (executable)
--- a/t/t7607-merge-overwrite.sh
+++ b/t/t7607-merge-overwrite.sh
@@ -31,7 +31,7 @@ test_expect_success 'setup' '
 test_expect_success 'will not overwrite untracked file' '
        git reset --hard c1 &&
        cat important > c2.c &&
-       ! git merge c2 &&
+       test_must_fail git merge c2 &&
        test_cmp important c2.c
 '
 
@@ -39,7 +39,7 @@ test_expect_success 'will not overwrite new file' '
        git reset --hard c1 &&
        cat important > c2.c &&
        git add c2.c &&
-       ! git merge c2 &&
+       test_must_fail git merge c2 &&
        test_cmp important c2.c
 '
 
@@ -48,7 +48,7 @@ test_expect_success 'will not overwrite staged changes' '
        cat important > c2.c &&
        git add c2.c &&
        rm c2.c &&
-       ! git merge c2 &&
+       test_must_fail git merge c2 &&
        git checkout c2.c &&
        test_cmp important c2.c
 '
@@ -58,7 +58,7 @@ test_expect_success 'will not overwrite removed file' '
        git rm c1.c &&
        git commit -m "rm c1.c" &&
        cat important > c1.c &&
-       ! git merge c1a &&
+       test_must_fail git merge c1a &&
        test_cmp important c1.c
 '
 
@@ -68,7 +68,7 @@ test_expect_success 'will not overwrite re-added file' '
        git commit -m "rm c1.c" &&
        cat important > c1.c &&
        git add c1.c &&
-       ! git merge c1a &&
+       test_must_fail git merge c1a &&
        test_cmp important c1.c
 '
 
@@ -79,7 +79,7 @@ test_expect_success 'will not overwrite removed file with staged changes' '
        cat important > c1.c &&
        git add c1.c &&
        rm c1.c &&
-       ! git merge c1a &&
+       test_must_fail git merge c1a &&
        git checkout c1.c &&
        test_cmp important c1.c
 '