TestInterpolate: Test cell-centred interpolation #1357

Job	Run time
download-build-test (cpu, real32, debug)	12m 19s
download-build-test (cpu, real64, debug)	12m 19s
download-build-test (cpu, real64, optimize)	17m 37s
download-build-test (cuda, real32, debug)	23m 1s
download-build-test (cuda, real64, debug)	23m 35s
download-build-test (cuda, real64, optimize)	23m 54s
download-build-test (rocm, real64, optimize)	20m 41s
download-build-test (oneapi, real64, optimize)	30m 18s
	2h 43m 44s

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