Added test for adding available hours that have the exact same start as another available hours window, and fixed they way I was trying to get the remaining SpotAvailableHours object.
Added test for adding available hours that have the exact same start as another available hours window, and fixed they way I was trying to get the remaining SpotAvailableHours object.

uw-it-aca/spotseeker_server,uw-it-aca/spotseeker_server,uw-it-aca/spotseeker_server