Update div-related testing with spec changes

Author: honno

array_api_tests/dtype_helpers.py

@@ -216,7 +216,7 @@ def result_type(*dtypes: DataType):
     "ceil": numeric_dtypes,
     "cos": float_dtypes,
     "cosh": float_dtypes,
-    "divide": numeric_dtypes,
+    "divide": float_dtypes,
     "equal": all_dtypes,
     "exp": float_dtypes,
     "expm1": float_dtypes,

array_api_tests/test_operators_and_elementwise_functions.py

@@ -651,7 +651,7 @@ def test_cosh(x):
     ah.assert_exactly_equal(domain, codomain)
 
 
-@pytest.mark.parametrize(binary_argnames, make_binary_params("divide", dh.numeric_dtypes))
+@pytest.mark.parametrize(binary_argnames, make_binary_params("divide", dh.float_dtypes))
 @given(data=st.data())
 def test_divide(
     func_name,