Properly configure unit tests

.coveragerc

@@ -0,0 +1,2 @@
+[run]
+include=pylspci/*

.gitlab-ci.yml

@@ -17,13 +17,13 @@ before_script:
   - source venv/bin/activate
   - pip install .[dev]
 
-# tests:
-#   stage: test
-#   coverage: '/TOTAL[\s\d]+\s(\d+%)/'
-#   script:
-#     - coverage run setup.py test
-#     - coverage report
-#     - codecov
+tests:
+  stage: test
+  coverage: '/TOTAL[\s\d]+\s(\d+%)/'
+  script:
+    - coverage run setup.py test
+    - coverage report
+    - codecov
 
 flake8:
   stage: test

setup.py

@@ -1,11 +1,16 @@
 #!/usr/bin/env python3
 from setuptools import setup, find_packages
+from typing import List
 
 
-def read_requirements(filename):
+def read_requirements(filename: str) -> List[str]:
     return [req.strip() for req in open(filename)]
 
 
+# requirements = read_requirements('requirements.txt')
+requirements = None
+dev_requirements = read_requirements('requirements-dev.txt')
+
 setup(
     name='pylspci',
     version=open('VERSION').read().strip(),
@@ -17,10 +22,12 @@ setup(
         '': ['*.md', 'LICENSE', 'README'],
     },
     python_requires='>=3.5',
-    install_requires=read_requirements('requirements.txt'),
+    install_requires=None,
     extras_require={
-        'dev': read_requirements('requirements-dev.txt'),
+        'dev': dev_requirements,
     },
+    tests_require=dev_requirements,
+    test_suite='pylspci.tests',
     license='GNU General Public License 3',
     description="Simple parser for lspci -mmnn.",
     long_description=open('README.rst').read(),