tests/test_nanshe/test_box/test_spams_sandbox.py: Add tests where an initial dictionary is provided.
tests/test_nanshe/test_box/test_spams_sandbox.py: Add tests where an initial dictionary is provided.

DudLab/nanshe,jakirkham/nanshe,nanshe-org/nanshe,nanshe-org/nanshe,DudLab/nanshe,jakirkham/nanshe