Bug: Rule 8897 - Missing assessments with no factors

[SLornieCYC]

Describe the bug Rule is currently ignoring completed assessments where no factors have been recorded.

To Reproduce Steps to reproduce the problem, e.g.:

• Create a completed Single Assessment record (i.e. with AssessmentAuthorisationDate) but no AssessmentFactors.
• This assessment should be flagged as an error (or query - per #343).

Expected behavior CAssessments with no factors recorded should be flagged, in addition to as assessments that use factors that don't exist in the codeset (the latter is working).

Proposed fix (Optional) The number of factors needs counting per assessment and a third condition adding that returns true where countoffactors == 0.

E.g. condition1 & (~condition2 | condition3)

https://github.com/data-to-insight/CIN-validator/blob/dc4559d2362e0efacfe47ebb9b4b3d538c7d0094/cin_validator/rules/cin2022_23/rule_8897.py#L96-L104

[WillLP-code]

I think this should be fixed by my PR #391 which builds assessments blocks for children with no assessment factors, I'd have fixed that one much more quickly if I'd looked at this too!

[SLornieCYC]

Agree, this one looks to have been fixed by PR #391.