Add test case

test/pytest/test_standalone.py

+#!/usr/bin/env python
+
+import sys
+
+sys.path.insert(0, '../..')
+from asn1_value_editor import standalone_editor as editor
+editor.logger.setLevel(editor.logging.DEBUG)
+
+def test_1():
+    ''' Test with a single boolean type '''
+    s = editor.SingleValueEditor('data/dv2.asn',
+                                 paramsAndTypes={'param': 'Ahah'})
+    assert s is not None
+
+
+def test_2():
+    ''' Test '''
+    assert True
+
+if __name__ == '__main__':
+    for name, value in dict(globals()).viewitems():
+        if name.startswith('test_'):
+            print('---- Executing {} ----'.format(name))
+            value()
+            print('---- Done - {} ----\n'.format(name))