SampleGridTest.js

// Scenario URL: http://examples.sencha.com/extjs/6.5.3/examples/kitchensink/frame-index.html#array-grid
describe('Grid', function() {
    it('should click a button on a grid row and check the popup message contains the clicked record name', function() {
        var recordName;
        
        // Locate the grid
        ST.grid('array-grid')
            .rowAt(2)
            .getRecord()
            .and(function(future) {
                // Store the clicked row's record name, so it can be compared with the value shown in the popup messagebox shortly
                recordName = future.data.record.name;
            })
            .cellAt(5)
            .down('>> .fa-check.green') // Click the button in the grid cell
            .click();
            
        // Reference the popup messagebox
        // Check the text value matches the clicked record name
        ST.component('messagebox[title="Approve"]')
            .down('>> .x-window-text')
            .textLike(new RegExp(recordName));
    });
});