Addon for https://plugins.jenkins.io/ghprb/ give you possibility to publish code coverage status (Cobertura and Jenkins) to Pull Request Commits. So you will see coverage of your PR and comparision with master.
Version2.2.0compared with

Version Details

Provided Changes (4)

2.1.1 2.2.0
ChangeGroup / ArtifactPreviousCurrent
+ Added commons-logging » commons-logging-1.2
+ Added javax.servlet » javax.servlet-api-3.1.0
+ Added org.codehaus.mojo » animal-sniffer-annotations-1.22
+ Added org.jenkins-ci.main » jenkins-core-2.319.1

Test Changes (2)

2.1.1 2.2.0
ChangeGroup / ArtifactPreviousCurrent
- Removed com.github.tomakehurst » wiremock2.20.0-
- Removed org.mockito » mockito-core1.8.5-