Introduce a basic smoke test

Author: webdev778

tests/__init__.py

@@ -0,0 +1,12 @@
+import interscript
+
+def assert_transliteration(map, input, output):
+    interscript.load_map(map)
+    result = interscript.transliterate(map, input)
+    assert result == output
+
+def test_can_transliterate():
+    assert_transliteration('bgnpcgn-ukr-Cyrl-Latn-2019', 'Антон', 'Anton')
+
+def test_can_transliterate_maps_requiring_libraries():
+    assert_transliteration('bgnpcgn-deu-Latn-Latn-2000', 'Tschüß!', 'Tschueß!')