Add missing NumPy 1.21 XFAILs

Author: asmeurer

numpy-1-21-xfails.txt

@@ -176,6 +176,7 @@ array_api_tests/test_special_cases.py::test_binary[atan2(x1_i > 0 and x2_i is +0
 array_api_tests/test_special_cases.py::test_binary[atan2(x1_i > 0 and x2_i is -0) -> roughly +pi/2]
 array_api_tests/test_special_cases.py::test_binary[divide(x1_i < 0 and x2_i is +0) -> -infinity]
 array_api_tests/test_special_cases.py::test_binary[divide(x1_i < 0 and x2_i is -0) -> +infinity]
+array_api_tests/test_special_cases.py::test_binary[divide(x1_i > 0 and x2_i is +0) -> +infinity]
 array_api_tests/test_special_cases.py::test_binary[divide(x1_i > 0 and x2_i is -0) -> -infinity]
 array_api_tests/test_special_cases.py::test_binary[divide(x1_i is +0 and x2_i < 0) -> -0]
 array_api_tests/test_special_cases.py::test_binary[divide(x1_i is +0 and x2_i > 0) -> +0]
@@ -188,6 +189,7 @@ array_api_tests/test_special_cases.py::test_binary[floor_divide(x1_i > 0 and x2_
 array_api_tests/test_special_cases.py::test_binary[floor_divide(x1_i is +0 and x2_i < 0) -> -0]
 array_api_tests/test_special_cases.py::test_binary[floor_divide(x1_i is +0 and x2_i > 0) -> +0]
 array_api_tests/test_special_cases.py::test_binary[floor_divide(x1_i is -0 and x2_i < 0) -> +0]
+array_api_tests/test_special_cases.py::test_binary[floor_divide(x1_i is -0 and x2_i > 0) -> -0]
 array_api_tests/test_special_cases.py::test_binary[pow(abs(x1_i) < 1 and x2_i is +infinity) -> +0]
 array_api_tests/test_special_cases.py::test_binary[pow(abs(x1_i) > 1 and x2_i is +infinity) -> +infinity]
 array_api_tests/test_special_cases.py::test_binary[pow(abs(x1_i) > 1 and x2_i is -infinity) -> +0]