Add stub for testing with setup.py test

.gitignore

@@ -24,3 +24,6 @@ wheels/
 .installed.cfg
 *.egg
 MANIFEST
+
+
+.pytest_cache

setup.cfg

@@ -0,0 +1,2 @@
+[aliases]
+test=pytest

setup.py

@@ -66,4 +66,6 @@ setup(
         'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: Scientific/Engineering :: Electronic Design Automation (EDA)',
     ],
+    setup_requires=['pytest-runner'],
+    tests_require=['pytest'],
 )

tests/test_yaml.py

@@ -0,0 +1,8 @@
+"""
+Tests for the YAML parser
+"""
+
+
+# content of test_sample.py
+def test_numbers_3_4():
+    assert 12 == 12