more fixes

tests/client/test_stdio.py

@@ -305,8 +305,12 @@ async def test_basic_child_process_cleanup(self):
             # Verify child is writing
             if os.path.exists(marker_file):  # pragma: no branch
                 initial_size = os.path.getsize(marker_file)
-                await anyio.sleep(0.3)
-                size_after_wait = os.path.getsize(marker_file)
+                size_after_wait = initial_size
+                for _ in range(10):
+                    await anyio.sleep(0.2)
+                    size_after_wait = os.path.getsize(marker_file)
+                    if size_after_wait > initial_size:
+                        break
                 assert size_after_wait > initial_size, "Child process should be writing"
                 print(f"Child is writing (file grew from {initial_size} to {size_after_wait} bytes)")
 

tests/issues/test_1338_icons_and_metadata.py

@@ -1,11 +1,17 @@
 """Test icon and metadata support (SEP-973)."""
 
+import sys
 import pytest
 
 from mcp.server.fastmcp import FastMCP
 from mcp.types import Icon
 
-pytestmark = pytest.mark.anyio
+pytestmark = [
+    pytest.mark.anyio,
+    pytest.mark.filterwarnings(
+        "ignore::pytest.PytestUnraisableExceptionWarning" if sys.platform == "win32" else "default"
+    ),
+]
 
 
 async def test_icons_and_website_url():