feat: enable linter coverage for functional tests

ci/test/00_setup_env_native_qt5.sh

@@ -9,8 +9,7 @@ export LC_ALL=C.UTF-8
 export CONTAINER_NAME=ci_native_qt5
 export PACKAGES="python3-zmq qtbase5-dev qttools5-dev-tools libdbus-1-dev libharfbuzz-dev"
 export DEP_OPTS="NO_UPNP=1 DEBUG=1"
-# TODO: we have few rpcs that aren't covered by any test, re-enable the line below once it's fixed
-# export TEST_RUNNER_EXTRA="--previous-releases --coverage --extended --exclude feature_pruning,feature_dbcrash"  # Run extended tests so that coverage does not fail, but exclude the very slow dbcrash
+export TEST_RUNNER_EXTRA="--previous-releases --coverage --extended --exclude feature_pruning,feature_dbcrash"  # Run extended tests so that coverage does not fail, but exclude the very slow dbcrash
 export RUN_UNIT_TESTS_SEQUENTIAL="true"
 export RUN_UNIT_TESTS="false"
 export GOAL="install"