That's your opinion bro I get the same bloat pretty much with all three its very individual you have to remember. I wouldn't recommend test prop because of my experiences but my body reacts different to yours and to the guy asking the question you have to remember everybody has a different experience with every compound. you aren't going to feel or get the same gains as someone else so remember that.
The body does not react differently per individual in this case. It is not a matter of opinion here, it is simple mathematics just like salt will cause you to have more water retention so will the extra carbon in the test ester.
What you are suggesting is that you can triple your salt intake and the results will be the same water retention as the ester in test enenthate is nearly triple to that of prop
Albeit you may be a rare case or...
you do not notice or ...
your test enenthat is actually prop, this is common among cheap chefs looking to save money
pro bodybuilders do not used test enenthate during contest prep for this very reason and the first thing a knowledgeable contest prep coach will tell you is to drop the long esters.