(For my journal) Never analyse the 15 minute chart, some may be able to, but I am more confident on the higher timeframe, look for entries in the 15 for re-entries.
In upwards or downward trending channels, wick tests are important, because isn't always forced to always tests a major level. Within most channels or trends, there are also mid- levels. these show price smaller tests which are just as important in establishing the direction price will go in the future.