Refactor `beLessThan` matcher using `Predicate.simple`
Refactor `beLessThan` matcher using `Predicate.simple`

Replacing `Predicate.fromDeprecatedClosure`.

AnthonyMDev/Nimble,twobitlabs/Nimble,AnthonyMDev/Nimble,Quick/Nimble,phatblat/Nimble,phatblat/Nimble,AnthonyMDev/Nimble,phatblat/Nimble,twobitlabs/Nimble,Quick/Nimble,Quick/Nimble,twobitlabs/Nimble