[CTI] Check for correct number of coverage parameters
[CTI] Check for correct number of coverage parameters

This detects errors such as providing two sets of coverage parameters as a
single list, rather than as a list with separate entries for each set of
coverage parameters.

Heathckliff/cantera,imitrichev/cantera,imitrichev/cantera,Heathckliff/cantera,Heathckliff/cantera,Heathckliff/cantera,imitrichev/cantera,imitrichev/cantera,imitrichev/cantera,Heathckliff/cantera,imitrichev/cantera,Heathckliff/cantera