Do not systematically build the tests if cutter is installed.

Building them only when running the test-suite is probably enough.

test/Makefile.am

@@ -12,7 +12,7 @@ if WITH_CUTTER
 TESTS = run-test.sh
 TESTS_ENVIRONMENT = NO_MAKE=yes CUTTER="$(CUTTER)"
 
-noinst_LTLIBRARIES = \
+check_LTLIBRARIES = \
 		     test_mad.la \
 		     test_mifare_application.la \
 		     test_mifare_classic.la \

test/common/Makefile.am

@@ -5,7 +5,7 @@ AM_CFLAGS = @LIBNFC_CFLAGS@
 
 if WITH_CUTTER
 
-noinst_LTLIBRARIES = \
+check_LTLIBRARIES = \
 		     libtestcommon.la
 
 libtestcommon_la_SOURCES = mifare_desfire_auto_authenticate.c \