qa: Require --exclude for each excluded test

Co-authored-by: Lőrinc <pap.lorinc@gmail.com>

ci/test/00_setup_env_native_valgrind.sh

@@ -13,7 +13,7 @@ export PIP_PACKAGES="--break-system-packages pycapnp"
 export USE_VALGRIND=1
 export NO_DEPENDS=1
 # bind tests excluded for now, see https://github.com/bitcoin/bitcoin/issues/17765#issuecomment-602068547
-export TEST_RUNNER_EXTRA="--exclude rpc_bind,feature_bind_extra"
+export TEST_RUNNER_EXTRA="--exclude rpc_bind --exclude feature_bind_extra"
 export GOAL="install"
 # TODO enable GUI
 export BITCOIN_CONFIG="\