tests: add test for unqualified include of a built-in template map
The feature was added in
081b08e4ea13 (templater: look for mapfiles in
template paths, 2015-05-15), but no test case was added.
Differential Revision: https://phab.mercurial-scm.org/D8797
local test passed
addgroupcopy test passed
clone test passed
lowlevelcopy test passed
slicing test passed
issnapshot test passed
findsnapshot test passed