Steps to reproduce

1. docker run -p 8080:8080 jenkins/jenkins:2.249.1
2. Select plugins to install: Uncheck all, select "Pipeline" (workflow-aggregator) only
3. Create a Pipeline with the below script content
4. Build it

Pipeline script:

node {
 git url: 'https://github.com/jenkinsci/workflow-aggregator-plugin/'
 sh 'ls -lA'
} 

Expected result:
GitHub repo to be checked out
or (more likely, as Git Plugin isn't installed)
Build to fail, as the 'git' step does not exist

Actual result:
The 'git' statement seems to be silently dropped (interpreted as 'git' tool from git-client?). There is no hint to what the problem could be, it's like the pipeline is a different one.

Started by user admin
Running in Durability level: MAX_SURVIVABILITY
[Pipeline] Start of Pipeline
[Pipeline] node
Running on Jenkins in /var/jenkins_home/workspace/pl
[Pipeline] {
[Pipeline] sh
+ ls -lA
total 0
[Pipeline] }
[Pipeline] // node
[Pipeline] End of Pipeline
Finished: SUCCESS