[test_property.py] Replace Append in Extend Test

Author: fschrader1992

test/test_property.py

@@ -323,16 +323,16 @@ def test_value_extend(self):
         p2 = Property(name="prop", value=["https://en.wikipedia.org/wiki/Earth"], dtype=DType.url)
         p2.extend("https://en.wikipedia.org/wiki/Mars")
         self.assertEqual(len(p2), 2)
-        self.assertRaises(ValueError, p2.append, 1)
-        self.assertRaises(ValueError, p2.append, 1.3)
-        self.assertRaises(ValueError, p2.append, True)
+        self.assertRaises(ValueError, p2.extend, 1)
+        self.assertRaises(ValueError, p2.extend, 1.3)
+        self.assertRaises(ValueError, p2.extend, True)
 
         p3 = Property(name="prop", value=["Earth is No. 3."], dtype=DType.text)
         p3.extend("Mars is No. 4.")
         self.assertEqual(len(p3), 2)
-        self.assertRaises(ValueError, p3.append, 1)
-        self.assertRaises(ValueError, p3.append, 1.3)
-        self.assertRaises(ValueError, p3.append, True)
+        self.assertRaises(ValueError, p3.extend, 1)
+        self.assertRaises(ValueError, p3.extend, 1.3)
+        self.assertRaises(ValueError, p3.extend, True)
 
         prop = Property(name="tuple-test", dtype="3-tuple", values="(1; 2; 3)")
         prop.extend(["(7; 8; 9)", "(10; 11; 12)"])