Tests

States' functions improvements #85

Job	Run time
Tests (1, macos-latest) / Tests	5m 18s
Tests (1, windows-latest) / Tests	8m 47s
Tests (lts, macos-latest) / Tests	7m 40s
Tests (lts, ubuntu-latest) / Tests	11m 45s
Tests (lts, windows-latest) / Tests	16m 9s
Tests (pre, macos-latest) / Tests	2m 51s
Tests (1, ubuntu-latest) / Tests	5m 21s
Tests (pre, ubuntu-latest) / Tests	7m 47s
Tests (pre, windows-latest) / Tests	11m 3s
	1h 16m 41s

Provide feedback