Resolve "Add pytest to CI"

Closes #25 (closed)

workflow/tests/test_check_design.py

+#!/usr/bin/env python3
+
+import pytest
+import pandas as pd
+from io import StringIO
+import os
+
+test_output_path = os.path.dirname(os.path.abspath(__file__)) + \
+                '/../output/misc/checkDesignFile/**/'
+
+@pytest.mark.design
+def test_design():
+    design_file = os.path.join(test_output_path, 'design.checked.csv')
+    assert os.path.exists(design_file)