def op2 = new ProgressOperation(null,  null, new OperationIdentifier(2), op1)
        def op3 = new ProgressOperation("STATUS_2", "VARIANT_CATEGORY", new OperationIdentifier(3), op2)

        expect:
        statusBarFormatter.format(op3).first().text == "> STATUS_1 > STATUS_2"
        statusBarFormatter.format(op2).first().text == "> STATUS_1"
        statusBarFormatter.format(op1).first().text == "> STATUS_1"
    }