Fix filter_node_base flaky test
Description
The filter_node_base test contains a flaky test that occasionally fails.
How to Reproduce
It's a little tricky to replicate outside of CI so here is the failed pipeline: https://gitlab.com/autowarefoundation/autoware.auto/AutowareAuto/-/jobs/1295316587
Current Behavior
The test is currently disabled.
Expected behavior
Use the fake_test_node
package to manage spinning the nodes.