test: fileio - make coverity happy

Explicitly check the length of the read.

Fixes CID#1250803.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/test/test-fileio.c b/src/test/test-fileio.c
index a713abde65..c26a6facb4 100644
--- a/src/test/test-fileio.c
+++ b/src/test/test-fileio.c
@@ -342,7 +342,7 @@ static void test_write_string_file_no_create(void) {
         assert_se(write_string_file_no_create("/a/file/which/does/not/exists/i/guess", "boohoo") < 0);
         assert_se(write_string_file_no_create(fn, "boohoo") == 0);
 
-        assert_se(read(fd, buf, sizeof(buf)));
+        assert_se(read(fd, buf, sizeof(buf)) == strlen("boohoo\n"));
         assert_se(streq(buf, "boohoo\n"));
 
         unlink(fn);