1.1.3 New Testing Framework 3.3.3

(Quick Reference) # 1.1.3 New Testing Framework Version: 3.3.3 ## 1.1.3 New Testing Framework Grails 3.3 includes a new Trait-based testing framework that replaces the existing `@TestMixin` based framework with a simpler implementation that is easier to debug, provides better code completion and is easier to extend. An example hello world test can be seen below:
    import spock.lang.Specification
    import grails.testing.web.controllers.ControllerUnitTest

    class HelloControllerTests extends Specification implements ControllerUnitTest<HelloController> {

        void "Test message action"() {
            when:"The message action is invoked"
            controller.message()

            then:"Hello is returned"
            response.text == 'Hello'
        }
    }
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