nodemap: all check that revision and nodes match in the nodemap
More check is always useful.
Differential Revision: https://phab.mercurial-scm.org/D7846
#require black $ cd $RUNTESTDIR/.. $ black --config=black.toml --check --diff `hg files 'set:(**.py + grep("^#!.*python")) - mercurial/thirdparty/**'`