Port sinusoidal generator tests (SLI-2-Py) #4289

Job	Run time
rstcheck	27s
clang-format	17s
cppcheck	6m 54s
vale	58s
black	29s
copyright_headers	17s
flake8	19s
forbidden_types	11s
isort	14s
lychee_IGNORED	21s
mypy	47s
pydocstyle	22s
pylint	51s
unused_names	17s
build_macos (macos-latest, clang, openmp, mpi, python, gsl, ltdl, boost, hdf5, optimize, warning)	21m 29s
build_linux (ubuntu-20.04, gcc, boost, optimize, warning)	7m 56s
build_linux (ubuntu-20.04, gcc, openmp, python, gsl, ltdl, boost, optimize, warning)	18m 30s
build_linux (ubuntu-20.04, gcc, mpi, python, gsl, ltdl, boost, optimize, warning)	19m 15s
build_linux (ubuntu-20.04, gcc, openmp, mpi, python, gsl, ltdl, boost, hdf5, sionlib, libneurosim...	32m 26s
sphinx-rtd	3m 48s
sphinx-conda	0s
	1h 56m 8s

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