run-tests: pass temp dir into Test.__init__ This patch starts a mini series of moving arguments to Test.__init__ from semi-complex data structures (such as the command options) to named arguments. This will allow Test instances to be more easily instantiated from other contexts. This improves the ability to run Mercurial tests in new and different environments.

update: show message when a bookmark is activated by update When updating to a bookmark, mention that the bookmark is now active. This is a reminder that update does not move the current bookmark if an explicit target is given - instead it activates that target.

run-tests: pass a full test path into Test.__init__ Previously, a Test's path came from the base directory of all tests and a filename leaf. There is not a strong reason why an absolute test path can not be specified. This change isn't strictly necessary. But it does enable scenarios such as more easily running tests from multiple, non-sibling directories.

run-tests: factor refpath into Test classes refpath is a side-effect of the test type. We therefore move it to the Test class implementations.