Fix double test flakiness due to EOS/TXN_CLOSE race (#7956)
Fix double test flakiness due to EOS/TXN_CLOSE race (#7956)


duke8253/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,pbchou/trafficserver,pbchou/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,vmamidi/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,pbchou/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,SolidWallOfCode/trafficserver