Setup a python test framework

lib/python/qmk/tests/test_qmk_errors.py

@@ -0,0 +1,7 @@
+from qmk.errors import NoSuchKeyboardError
+
+def test_NoSuchKeyboardError():
+    try:
+        raise(NoSuchKeyboardError("test message"))
+    except NoSuchKeyboardError as e:
+        assert e.message == 'test message'