Unable to import git project from a remote repository with username/password

Issue

• Unable to import a remote repository which enforces authentication;

• Attempt to import a remote repository fails with the following error:

  [ERROR] [default task-23] [org.guvnor.common.services.backend.exceptions.ExceptionUtilities] (ExceptionUtilities.java:36) - Exception thrown: java.lang.RuntimeException: org.uberfire.java.nio.fs.jgit.util.commands.Clone$CloneException: Error cloning origin <https://test.example/test/a-project-bpm.git>.: java.lang.RuntimeException: java.lang.RuntimeException: org.uberfire.java.nio.fs.jgit.util.commands.Clone$CloneException: Error cloning origin <https://test.example/test/a-project-bpm.git>.
  ... 
  Caused by: org.eclipse.jgit.errors.TransportException: https://test.example/test/a-project-bpm.git: not authorized