Add testcase for casting from IntEnum to integer
Add testcase for casting from IntEnum to integer

seibert/numba,numba/numba,seibert/numba,seibert/numba,IntelLabs/numba,numba/numba,numba/numba,numba/numba,IntelLabs/numba,cpcloud/numba,cpcloud/numba,IntelLabs/numba,seibert/numba,numba/numba,cpcloud/numba,seibert/numba,cpcloud/numba,IntelLabs/numba,IntelLabs/numba,cpcloud/numba