Remove the rampup and rampdown test results from test result file

remove-ramping-test-results.groovy

File file = new File("runLoadTest.jtl")
def line, noOfLines=0;
def starTime
def addedLines=0


file.withReader {it->
    line= it.readLine()
    line= it.readLine()
    starTime = line.split(",").first().toLong()
}

println "starTime = $starTime"
starTime = starTime + 300*1000
println "starTime = $starTime"
def endTime=starTime + 3600*1000
println "endTime = $endTime"

File outputFile = new File("test-result-filtered.csv")
file.withReader { reader ->
    String currentLine
    while (( currentLine = reader.readLine()) != null) {
        noOfLines++
        if (noOfLines==1){
            continue
        }
        def currentTimeStamp = currentLine.split(",").first().toLong()
        if (currentTimeStamp > starTime && currentTimeStamp <endTime) {
            println(currentTimeStamp.toString())
            outputFile.append(currentLine + "\n")
            addedLines++
        }

    }
}

println "addedLines = $addedLines"