test: pixelcopy_test

[pmp-p]

on wasm PyErr_SetString(PyExc_ValueError, "Unsupported array item type");
is never executed from within _validate_view_format https://github.com/pygame-community
/pygame-ce/blob/290c5f04eadf00f2f64b5b97cd9f4e4ddac6a4d0/src_c/pixelcopy.c#L487