setCase(groupIndex, caseIndex) {
        const newCase = new TestbenchData(this.testData, groupIndex, caseIndex);
        if (newCase.isCaseValid()) {
            this.currentGroup = groupIndex;
            this.currentCase = caseIndex;
            return true;
        }

        return false;
    }
Validate and set case and group in the test
@param {number} groupIndex - Group index to set
@param {number} caseIndex -  Case index to set