```ruby
require "spec_helper"
require "rails_helper"
require "usuario"

describe Usuario do
	context "validations" do
		it "requite email to be set"

		it "requite name to be set"

		it "requite login to be set"

		it "requite password to be set"
		
	end
end
```

Create example for email validation
user
```ruby
require "spec_helper"
require "rails_helper"
require "usuario"

describe Usuario do
	context "validations" do
		
		it "requite email to be set" do
			usuario = Usuario.create
			usuario.nome = "Test"
			usuario.email = "a@a.com"
			usuario.email.should == "a@a.com"
		end

		it "requite name to be set"

		it "requite login to be set"

		it "requite password to be set"

	end
end
```
assistant