I have done one cycle that included 1-test cyp.
I was using 1800mg/wk of 4ad cyp, and I added 1-test cyp in the second month. 700mg the first week (3 injects per week). The fatigue was too much for me and I dropped down to 500mg/wk (2 injects per week).
I think the reason people says it feels like prop is because you "feel" it (the 1-test lethargy that is) the next day. but I gained steadily over the cycle. 5 pounds the first week, then 3 pounds per week thereafter.
I was cutting for the first two weeks, and went down to 166 at one point. Then bulking over the next 6 weeks I went up to 192. I was also on HCG throughout the cycle.