Minor jtest updates.
Minor jtest updates.

Format error messages over two lines to make them more legible. Use
a single function to calculate elapsed milliseconds from the
transaction start.

persiaAziz/trafficserver,rpufky/trafficserver,bryancall/trafficserver,rahmalik/trafficserver,duke8253/trafficserver,PSUdaemon/trafficserver,dyrock/trafficserver,chenglongwei/trafficserver,rahmalik/trafficserver,rahmalik/trafficserver,chitianhao/trafficserver,rpufky/trafficserver,persiaAziz/trafficserver,PSUdaemon/trafficserver,persiaAziz/trafficserver,chenglongwei/trafficserver,duke8253/trafficserver,taoyunxing/trafficserver,chenglongwei/trafficserver,reveller/trafficserver,dyrock/trafficserver,reveller/trafficserver,rpufky/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,persiaAziz/trafficserver,davidbz/trafficserver,SolidWallOfCode/trafficserver,rahmalik/trafficserver,SolidWallOfCode/trafficserver,chenglongwei/trafficserver,duke8253/trafficserver,rahmalik/trafficserver,bryancall/trafficserver,reveller/trafficserver,bryancall/trafficserver,vmamidi/trafficserver,rpufky/trafficserver,PSUdaemon/trafficserver,reveller/trafficserver,pbchou/trafficserver,vmamidi/trafficserver,davidbz/trafficserver,davidbz/trafficserver,pbchou/trafficserver,pbchou/trafficserver,taoyunxing/trafficserver,taoyunxing/trafficserver,davidbz/trafficserver,persiaAziz/trafficserver,chitianhao/trafficserver,SolidWallOfCode/trafficserver,chitianhao/trafficserver,rpufky/trafficserver,bryancall/trafficserver,taoyunxing/trafficserver,chenglongwei/trafficserver,reveller/trafficserver,taoyunxing/trafficserver,chitianhao/trafficserver,persiaAziz/trafficserver,dyrock/trafficserver,duke8253/trafficserver,clearswift/trafficserver,PSUdaemon/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,SolidWallOfCode/trafficserver,taoyunxing/trafficserver,bryancall/trafficserver,chenglongwei/trafficserver,clearswift/trafficserver,rpufky/trafficserver,PSUdaemon/trafficserver,clearswift/trafficserver,dyrock/trafficserver,duke8253/trafficserver,duke8253/trafficserver,PSUdaemon/trafficserver,taoyunxing/trafficserver,chitianhao/trafficserver,vmamidi/trafficserver,dyrock/trafficserver,taoyunxing/trafficserver,PSUdaemon/trafficserver,clearswift/trafficserver,dyrock/trafficserver,reveller/trafficserver,davidbz/trafficserver,rpufky/trafficserver,vmamidi/trafficserver,taoyunxing/trafficserver,clearswift/trafficserver,persiaAziz/trafficserver,chitianhao/trafficserver,clearswift/trafficserver,pbchou/trafficserver,chitianhao/trafficserver,rpufky/trafficserver,bryancall/trafficserver,PSUdaemon/trafficserver,reveller/trafficserver,PSUdaemon/trafficserver,reveller/trafficserver,rahmalik/trafficserver,reveller/trafficserver,clearswift/trafficserver,dyrock/trafficserver,rahmalik/trafficserver,chenglongwei/trafficserver,SolidWallOfCode/trafficserver,chenglongwei/trafficserver,davidbz/trafficserver,rahmalik/trafficserver,rahmalik/trafficserver,rpufky/trafficserver,clearswift/trafficserver,persiaAziz/trafficserver,pbchou/trafficserver,SolidWallOfCode/trafficserver,clearswift/trafficserver