AUTOTOOLS : use my own testsuite instead of the default one

I have made a python testsuite to test my project. I have added in Makefile.am the variable:

TESTS = ./launcher.sh

launcher.sh contains: tests/testsuite.py

When I do ./launcher.sh, my testsuite is correctly executed. However, when I do make check, I get the following output:

PASS: launcher.sh
============================================================================
Testsuite summary for spider 1.0
============================================================================
# TOTAL: 1
# PASS:  1
# SKIP:  0
# XFAIL: 0
# FAIL:  0
# XPASS: 0
# ERROR: 0
============================================================================

How can I hide the default output and use the output of my testsuite ?