Tests: Don't use diag() to output errors from child processes

diag() appends a newline character to the child processes' output
which causes the test's output to have extra blank lines.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/tests/lib/test_ctf_writer.c b/tests/lib/test_ctf_writer.c
index 52106f2d6e581044a0dbd230fec9744ffe66044f..e58c6cac075623b3f51046806f547ea9a6ed839d 100644 (file)
--- a/tests/lib/test_ctf_writer.c
+++ b/tests/lib/test_ctf_writer.c
@@ -158,12 +158,12 @@ result:
 
                /* Output the metadata and parser output as diagnostic */
                while (getline(&line, &len, metadata_fp) > 0) {
-                       diag("%s", line);
+                       fprintf(stderr, "# %s", line);
                }
 
                rewind(parser_output_fp);
                while (getline(&line, &len, parser_output_fp) > 0) {
-                       diag("%s", line);
+                       fprintf(stderr, "# %s", line);
                }
 
                free(line);