Check ground-state convergence in testsuite
Description
Add a check to all ground-state calculations in the testsuite to check if the calculations have converged or not. This allows to catch cases where changes in the code make the calculation not converge anymore, but not changing the calculated values enough to trigger a failure. Closes #100 (closed).
News snippet
Add a check to all ground-state calculations in the testsuite to check if the calculations have converged or not.
Checklist
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I have checked that my code follows the Octopus coding standards -
I have added tests for all the new features added in this request.
Edited by Micael Oliveira