Updated pytest

Signed-off-by: Dimitris Zlatanidis <d.zlatanidis@gmail.com>

slpkg/test_md5sum.py

@@ -0,0 +1,7 @@
+from slpkg.md5sum import md5
+
+
+
+def test_md5():
+    result = md5('slpkg/superuser.py')
+    assert result == "e6cebdf37fbc1b8e9d3c5e3e53b300c1"