#1 and #4 seem to be the best of the lot. #2 seems too cartoony, and #3 still looks like it could be read as Jest.
#4 seems to be the clearest, but I agree with the comment upthread that the space between the T and e needs to be fixed, and I'm not sure the way the The overlaps the T is working.
Also, I like the style of the T from #1 more than that of #4, where it seems a little plain to go with the rest of the cursive style, but the "est" of #4 more than that of #1, which is not as clearly legible. Maybe try combining the two?
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