tests: Remove xfail for SQLFrame Expr.skew (#3507)

tests: Remove xfail for SQLFrame Expr.skew

Author: FBruzzesi

tests/expr_and_series/skew_test.py

@@ -51,10 +51,6 @@ def test_skew_expr(
         # Can not infer schema from empty dataset.
         pytest.skip()
 
-    if "sqlframe" in str(constructor) and int(request.node.callspec.id[-1]) in {2, 4}:
-        # https://github.com/eakmanrq/sqlframe/issues/610
-        request.applymarker(pytest.mark.xfail)
-
     result = nw.from_native(constructor({"a": data})).select(nw.col("a").skew())
     assert_equal_data(result, {"a": [expected]})
     result = nw.from_native(constructor({"a": data})).with_columns(nw.col("a").skew())