Minor, fixed typo in comment

Author: IsabellaRey

tests/unit_tests/test_dls_barcode/test_data_store/test_record.py

@@ -10,7 +10,7 @@ def test_from_string_creates_new_record_with_all_given_parameters(self):
         # Arrange
         str = "f59c92c1;1494238920.0;test.png;None;DLSL-009,DLSL-010,DLSL-011,DLSL-012;1569:1106:70-2307:1073:68-1944:1071:68"
 
-        # ACt
+        # Act
         r = Record.from_string(str)
 
         # Assert