Review `BlackLittermanOptimizationPortfolioConstructionModelTests`

[Martin-Molinero]

Expected Behavior

• No test fails

Actual Behavior

• Tests are silently failing

Potential Solution

• Review the reason of failure, is it a bug in the model or the tests?

Reproducing the Problem

Run IgnoresInsightsWithInvalidMagnitudeValue tests

System Information

N/A

Checklist

• [x] I have completely filled out this template
• [x] I have confirmed that this issue exists on the current master branch
• [x] I have confirmed that this is not a duplicate issue by searching issues

• [x] I have provided detailed steps to reproduce the issue