Test testProxy() fails randomly. Problem is that it checks for size from all repositories, however it needs to check just the count of test repositories that needs to be proxied.

[1] https://github.com/kiegroup/kie-soup/blob/master/kie-soup-maven-utils/kie-soup-maven-integration/src/test/java/org/appformer/maven/integration/MavenRepositoryTest.java#L52