expect:
        assertHasNoProducer(property)
        def value = property.calculateExecutionTimeValue()
        value.isMissing()
    }

    def "has no producer and missing execution time value when selement provider with no value added"() {
        given:
        property.putAll([a: '1', b: '2'])
        property.put('k', supplierWithValues('3'))
        property.put('c', '3')
        property.putAll(supplierWithNoValue())