constructor(data, currentGroup = 0, currentCase = 0) {
        this.currentCase = currentCase;
        this.currentGroup = currentGroup;
        this.testData = data;
    }
Class to store all data related to the testbench and functions to use it
@param {Object} data - Javascript object of the test data
@param {number=} currentGroup - Current group index in the test
@param {number=} currentCase - Current case index in the group