tests: add missing error checks

We should always verify error codes returned by function calls in our
test suite to not accidentally miss any weird results. Coverity reported
missing checks in several locations, which this commit fixes.

2 files changed, 2 insertions, 3 deletions

diff --git a/tests/index/nsec.c b/tests/index/nsec.c
index dee1509e1..6edcf030a 100644
--- a/tests/index/nsec.c
+++ b/tests/index/nsec.c
@@ -54,7 +54,7 @@ static bool should_expect_nsecs(void)
 
 	expect = try_create_file_with_nsec_timestamp(nsec_path.ptr);
 
-	p_unlink(nsec_path.ptr);
+	cl_must_pass(p_unlink(nsec_path.ptr));
 
 	git_buf_dispose(&nsec_path);
 
diff --git a/tests/index/tests.c b/tests/index/tests.c
index 4c9deaaba..d9d8371dd 100644
--- a/tests/index/tests.c
+++ b/tests/index/tests.c
@@ -566,8 +566,7 @@ void test_index_tests__cannot_add_invalid_filename(void)
 {
 	git_repository *repo;
 
-	p_mkdir("invalid", 0700);
-
+	cl_must_pass(p_mkdir("invalid", 0700));
 	cl_git_pass(git_repository_init(&repo, "./invalid", 0));
 	cl_must_pass(p_mkdir("./invalid/subdir", 0777));