Found this regarding T/E. and Yes TRT can raise your T/E ratio. Normally it is somewhere around 1:1 in natty's but can increase and anything over 6:1 is considered positive (mma testing). There is also another test they can do, called carbon isotope ratio (CIR) test which is designed to detect exogenous testosterone. So Yea, your only option would be to stop TRT, but then how do you compete?
"Usually, the amount of Testosterone (T) & Epitestosterone (E) are in similar proportions and their normal presence in urine has been found, on an average to be roughly equal to 1:1, although it varies on a case specific basis. In case any anabolic steroids or any related preparation is taken or if some pathological condition exists the testosterone level may increase while the epitestosterone levels tend to remain unaffected. Thus the overall T/E ratio is skewed from the normal values and as a result, T/E ratio tends to vary significantly from the normal in such cases. However, if an additional amount of epitestosterone is administered to such individuals, theoretically, it is capable to bring the skewed T/E ratio back to normal. As a result, epitestosterone is banned by many sporting authorities for being a potent masking agent for testosterone use, or rather abuse!"