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Add let! alias method 'make'.

gitlab-qa-bot requested to merge github/fork/yazumoto/let-alias into master

Created by: yazumoto

RSpec's let and let! is a bit confusing when you writing specs which need to have some let and let! together.

For example,

let!(:test1) { create(:sample, name: 'test1') }
let(:test2) { create(:sample, name: 'test2') } 
let(:test3) { create(:sample, name: 'test3') }

This code create test1 before spec run but create test2 and test3 when spec call them. This cause us confused. So, we sometimes make rules like 'Cannot use let!, use before if you need`.

So, I make a alias method of let!. Then it will be like this.

make(:test1) { create(:sample, name: 'test1') }
let(:test2) { create(:sample, name: 'test2') } 
let(:test3) { create(:sample, name: 'test3') }

This code is easy to understand its behavior.

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