If your results are negative, there were no signs of a gonorrhea infection. If your results are positive, the Neisseria gonorrhoeae bacteria was found in your urine. It is possible to test too early after being exposed to the infection.
The best time to transplant a rose is in early spring when the rose is still dormant. This causes less stress and shock to the plant. Timing is everything. Wait until all threat of frost or freezing weather has passed.
Usually the best time to prune knock out roses in St Louis Missouri is late March, after any late frosts. However you normally prune knock out roses just when they are breaking dormancy as is the case with yours. The only trouble with pruning now is that if you do get a late frost, the soft new growth could be damaged.