Sequential tests fail if fft2d.mpi_with_fftw1d not available!
``` fluidsim/util/console/test_bench.py::TestBench::test2d - fluidsim.util.console.util.ConsoleError: fft2d.mpi_with_fftw1d not in [] fluidsim/util/console/test_bench.py::TestBench::test3d - fluidsim.util.console.util.ConsoleError: fft3d.mpi_with_fftw1d not in [] ```
issue