Add pytest decorator to skip tests on WASM

Author: agriyakhetarpal

pandas/util/_test_decorators.py

@@ -25,6 +25,8 @@ def test_foo():
 """
 from __future__ import annotations
 
+import sys
+import platform
 import locale
 from typing import (
     TYPE_CHECKING,
@@ -114,6 +116,10 @@ def skip_if_no(package: str, min_version: str | None = None) -> pytest.MarkDecor
     locale.getlocale()[0] != "en_US",
     reason=f"Set local {locale.getlocale()[0]} is not en_US",
 )
+skip_if_wasm = pytest.mark.skipif(
+    (sys.platform == "emscripten") or (platform.machine() in ["wasm32", "wasm64"]),
+    reason="does not support wasm"
+)
 
 
 def parametrize_fixture_doc(*args) -> Callable[[F], F]: