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`, test ( assert, component, target, window ) { const click = new window.MouseEvent( 'click' ); const spans = target.querySelectorAll( 'span' ); spans[0].dispatchEvent( click ); assert.equal( component.get( 'currentIdentifier' ), 1 ); assert.htmlEqual( target.innerHTML, `1
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` ); spans[0].dispatchEvent( click ); assert.equal( component.get( 'currentIdentifier' ), null ); assert.htmlEqual( target.innerHTML, `1
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` ); } };