Add missing numpy 1.21 xfail

Author: asmeurer

numpy-1-21-xfails.txt

@@ -118,6 +118,7 @@ array_api_tests/test_operators_and_elementwise_functions.py::test_floor_divide[_
 array_api_tests/test_operators_and_elementwise_functions.py::test_floor_divide[floor_divide(x1, x2)]
 array_api_tests/test_operators_and_elementwise_functions.py::test_greater[greater(x1, x2)]
 array_api_tests/test_operators_and_elementwise_functions.py::test_less[__lt__(x1, x2)]
+array_api_tests/test_operators_and_elementwise_functions.py::test_less_equal[less_equal(x1, x2)]
 array_api_tests/test_operators_and_elementwise_functions.py::test_logaddexp
 array_api_tests/test_operators_and_elementwise_functions.py::test_multiply[__imul__(x, s)]
 array_api_tests/test_operators_and_elementwise_functions.py::test_multiply[__mul__(x, s)]