Non working first step re #7674

Do not git checkbuild.

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Eliminate call of SaveNexus and LoadNexus algorithms re #7674

Now just tests saved file has 'peak_workspace' entry. Other tests for its contents to follow.

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Add check of detector IDs re #7674

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Add check of wavelengths re #7674

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Merge branch 'feature/7674_rearrange_unit_test' into develop