FFTW Tests Fail on OSX

[arnavs]

There are 8 of them

julia> versioninfo()
Julia Version 1.1.1
Commit 55e36cc (2019-05-16 04:10 UTC)
Platform Info:
  OS: macOS (x86_64-apple-darwin15.6.0)
  CPU: Intel(R) Xeon(R) W-2140B CPU @ 3.20GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-6.0.1 (ORCJIT, skylake)

julia> using ArrayFire
ArrayFire v3.6.4 (OpenCL, 64-bit Mac OSX, build 1b8030c5)
[0] APPLE: AMD Radeon Pro Vega 56 Compute Engine, 8176 MB

[ghost]

These are most likely due to https://github.com/arrayfire/arrayfire/issues/2518

[arnavs]

Thanks. I guess leave this open until that's merged, and close when we test?