def test_get_highest_rated_subordinate_simple() -> None:
e1 = Employee(1, "Emma Ployee", "Worker", 10000, 50)
assert e1.get_position_in_hierarchy() == 'Worker'
e2 = Leader(2, "Sue Perior", "Manager", 20000, 30, "Department")
e3 = Leader(3, "Bigg Boss", "CEO", 50000, 60, "Company")
e1.become_subordinate(e2)
e2.become_subordinate(e3)
assert e3.get_highest_rated_subordinate().name == 'Sue Perior'
e1.become_subordinate(e3)
assert e3.get_highest_rated_subordinate().name == 'Emma Ployee'
def test_get_position_in_hierarchy() -> None:
e1 = Employee(1, "Emma Ployee", "Worker", 10000, 50)
e2 = Leader(2, "Sue Perior", "Manager", 20000, 30, "Dept E")
e3 = Leader(3, "Robocop", "Worker", 20000, 30, "Dept D")
e4 = Leader(4, "Sarah", "Worker", 20000, 30, "Dept C")
e5 = Leader(5, "Sofia", "Secretary", 20000, 30, "Dept B")
e6 = Employee(6, "Terry", "COO", 20000, 30)
e7 = Leader(7, "Sarah", "CEO", 20000, 30, "Dept A")
e1.become_subordinate(e2)
e2.become_subordinate(e3)
e3.become_subordinate(e4)
e4.become_subordinate(e5)
e5.become_subordinate(e6)
e6.become_subordinate(e7)
assert e1.get_position_in_hierarchy() == "Worker, Dept E, Dept D, Dept C," \
" Dept B, Dept A"
assert e5.get_position_in_hierarchy() == "Secretary, Dept B, Dept A"
assert e7.get_position_in_hierarchy() == "CEO, Dept A"