Draft: add function to run only test lines
Add function spruce_test_lines
which runs only
- Test_sprucing_line
- Test_extraoutputs_sprucing_line
- Test_persistreco_sprucing_line
to be used in FSR integration test.
Add function spruce_test_lines
which runs only
- Test_sprucing_line
- Test_extraoutputs_sprucing_line
- Test_persistreco_sprucing_line
to be used in FSR integration test.