Add label test.

test/test_text.py

@@ -0,0 +1,15 @@
+"""
+Author: Sergey Vartanov (me@enzet.ru).
+"""
+from roentgen.scheme import Scheme
+
+
+def get_text(tags):
+    scheme = Scheme("data/tags.yml")
+    return scheme.construct_text(tags, True)
+
+
+def test_1_label() -> None:
+    labels = get_text({"name": "Name"})
+    assert len(labels) == 1
+    assert labels[0].text == "Name"