PEtab test: check chi2 for all cases expected to pass
PEtab test: check chi2 for all cases expected to pass

and fix logger output

AMICI-developer/AMICI,FFroehlich/AMICI,FFroehlich/AMICI,FFroehlich/AMICI,AMICI-developer/AMICI,AMICI-developer/AMICI,AMICI-developer/AMICI,FFroehlich/AMICI