tests: disable hard errors

we don't use it
https://www.gnu.org/software/automake/manual/automake.html#Scripts_002dbased-Testsuites

diff --git a/Makefile.am b/Makefile.am
index 2281f3e..ab9be28 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -147,6 +147,7 @@ tests=
 manual_tests =
 TEST_EXTENSIONS = .py
 PY_LOG_COMPILER = $(PYTHON)
+DISABLE_HARD_ERRORS = yes
 if ENABLE_TESTS
 noinst_PROGRAMS = $(manual_tests) $(tests)
 TESTS = $(tests)