Merge branch 'wip/pwithnall/converter-stream-debugging' into 'main'

tests: Remove an incorrect assertion in converter-stream

See merge request GNOME/glib!2591

gio/tests/converter-stream.c

@@ -1037,12 +1037,11 @@ test_converter_pollable (void)
       if (!is_readable)
 	g_assert_cmpint (res, ==, -1);
 
-      /* After closing the write end, we can't get WOULD_BLOCK any more */
+      /* Even after closing the write end, we can get WOULD_BLOCK (particularly
-      if (!socket_out)
+       * on FreeBSD), so we can’t make any assertions based on `!socket_out`.
-        {
+       * This is because the FIN packets may still be in the out buffer of one
-          g_assert_no_error (error);
+       * half of the socket pair, while the in buffer of the other half has some
-          g_assert_cmpint (res, !=, -1);
+       * data, but not enough for a full block for the converter to consume. */
-        }
 
       if (res == -1)
 	{