Disable time_pxd test in Python 3.4
Disable time_pxd test in Python 3.4

It uses features that are unavailable thus always fails

Test was introduced in https://github.com/cython/cython/pull/3767

scoder/cython,da-woods/cython,scoder/cython,scoder/cython,da-woods/cython,da-woods/cython,cython/cython,da-woods/cython,cython/cython,cython/cython,cython/cython,scoder/cython