Write a function to sort each sublist of strings in a given list of lists.
def sort_sublists(list1):
    result = list(map(sorted,list1)) 
    return result
<s>[INST]<<SYS>>Given a task and its code, generate test cases for the code.<</SYS>>Write a function to sort each sublist of strings in a given list of lists.
def sort_sublists(list1):
    result = list(map(sorted,list1)) 
    return result[/INST]assert sort_sublists([['green', 'orange'], ['black', 'white'], ['white', 'black', 'orange']])==[['green', 'orange'], ['black', 'white'], ['black', 'orange', 'white']]
assert sort_sublists([['green', 'orange'], ['black'], ['green', 'orange'], ['white']])==[['green', 'orange'], ['black'], ['green', 'orange'], ['white']]
assert sort_sublists([['a','b'],['d','c'],['g','h'] , ['f','e']])==[['a', 'b'], ['c', 'd'], ['g', 'h'], ['e', 'f']]</s>