Fixes dummy matrix tests
Fixes dummy matrix tests

They were not as the solve function expects them to be...
Solve function expects things to begin at [1,1]...
Dangerous business! :no_entry:

dhiana/mna,dhiana/mnapoly,dhiana/mnapoly,dhiana/mna,dhiana/mnapoly,dhiana/mnapoly,dhiana/mna,dhiana/mnapoly