Tests fail with Mojolicious 7

See subject. A sample report: http://www.cpantesters.org/cpan/report/3a4ee96c-4e40-11e6-9c90-eb5010d7a009

Statistical analysis suggests that the failure is caused by Mojolicious 7.0 (negative theta is "bad"):

****************************************************************
Regression 'mod:Mojolicious'
****************************************************************
Name                   Theta          StdErr     T-stat
[0='const']           1.0000          0.0000    12982247994640912.00
[1='eq_5.32']         0.0000          0.0000       0.00
[2='eq_6.21']         0.0000          0.0000       0.69
[3='eq_6.22']         0.0000          0.0000       0.69
[4='eq_6.23']         0.0000          0.0000       1.36
[5='eq_6.26']         0.0000          0.0000       0.00
[6='eq_6.27']         0.0000          0.0000       0.00
[7='eq_6.29']         0.0000          0.0000       1.02
[8='eq_6.31']         0.0000          0.0000       0.00
[9='eq_6.32']         0.0000          0.0000       1.02
[10='eq_6.34']        0.0000          0.0000       0.00
[11='eq_6.35']        0.0000          0.0000       0.00
[12='eq_6.37']        0.0000          0.0000       1.02
[13='eq_6.38']        0.0000          0.0000       1.02
[14='eq_6.41']        0.0000          0.0000       0.00
[15='eq_6.47']       -0.0000          0.0000      -1.02
[16='eq_6.56']        0.0000          0.0000       0.00
[17='eq_6.58']       -0.0000          0.0000      -1.18
[18='eq_6.60']        0.0000          0.0000       1.18
[19='eq_6.61']        0.0000          0.0000       0.00
[20='eq_6.62']        0.0000          0.0000       2.50
[21='eq_7.0']        -1.0000          0.0000    -12708906897772908.00

R^2= 1.000, N= 82, K= 22
****************************************************************

hrupprecht / Mojolicious-Plugin-Qaptcha

Tests fail with Mojolicious 7 #2