move Lib/cu2qu/test to tests/ folder

There is no need to install the test suite with the package.
Let's put it outside like it's recommended by pytest.

setup.cfg

@@ -39,7 +39,7 @@ license_file = LICENSE
 [tool:pytest]
 minversion = 2.8
 testpaths = 
-	Lib/cu2qu
+	tests
 python_files = 
 	*_test.py
 python_classes = 

tests/__init__.py

@@ -2,7 +2,7 @@ import os
 from ufoLib.glifLib import GlyphSet
 import pkg_resources
 
-DATADIR = pkg_resources.resource_filename('cu2qu.test', 'data')
+DATADIR = os.path.join(os.path.dirname(__file__), 'data')
 CUBIC_GLYPHS = GlyphSet(os.path.join(DATADIR, 'cubic'))
 QUAD_GLYPHS = GlyphSet(os.path.join(DATADIR, 'quadratic'))
 

tests/cu2qu_test.py

@@ -22,7 +22,7 @@ import os
 import json
 
 from cu2qu import curve_to_quadratic, curves_to_quadratic
-from cu2qu.test import DATADIR
+from . import DATADIR
 
 
 MAX_ERR = 5

tests/pens_test.py

@@ -2,9 +2,9 @@ from __future__ import print_function, division, absolute_import
 import unittest
 
 from cu2qu.pens import Cu2QuPen, Cu2QuPointPen
-from cu2qu.test import CUBIC_GLYPHS, QUAD_GLYPHS
-from cu2qu.test.utils import DummyGlyph, DummyPointGlyph
-from cu2qu.test.utils import DummyPen, DummyPointPen
+from . import CUBIC_GLYPHS, QUAD_GLYPHS
+from .utils import DummyGlyph, DummyPointGlyph
+from .utils import DummyPen, DummyPointPen
 
 MAX_ERR = 1.0
 

tests/utils.py

@@ -1,5 +1,5 @@
 from __future__ import print_function, division, absolute_import
-from cu2qu.test import CUBIC_GLYPHS
+from . import CUBIC_GLYPHS
 from ufoLib.pointPen import PointToSegmentPen, SegmentToPointPen
 import unittest
 

tools/ufo_benchmark.py

@@ -19,9 +19,10 @@ import os
 import random
 
 from benchmark import run_benchmark
-from cu2qu.test import DATADIR
 
 MAX_ERR_EM = 0.002
+DATADIR = os.path.join(
+    os.path.dirname(__file__), os.path.pardir, 'tests', 'data')
 
 
 def setup_fonts_to_quadratic_defcon():