Faster test

Description

Due to the recent improvement in the eigensolvers, this test does not need these options to converge. The convergence is now much faster.

Checklist

• I have checked that my code follows the Octopus coding standards
• I have added tests for all the new features added in this request.

changed milestone to %13.0

added Regression Tests label

assigned to @micael.oliveira

approved this merge request

merged

mentioned in commit c2501fc9