[tests/data] restructered imports
[tests/data] restructered imports

pylab is imported *after* pycmbs bits, to avoid backend warning,
as backend is set during pycmbs initialization. If pylab is imported
first, it will not switch to Agg backend as defined in
pycmbs/__init__.py

minor import corrections


Former-commit-id: 7ce84c32ec9736378399a60a109dd165a9a86e4c
Former-commit-id: 0a038f61546265dc6283feecb993cfdb64dbe30b
pygeo/pycmbs,pygeo/pycmbs