[IMP] web_tour: specify timeout per step 
[IMP] web_tour: specify timeout per step 

RUNNING_TOUR_TIMEOUT is equal to 10 seconds, which sometimes is not enough on
travis and we need a way to increase timeout per step.

Note: Exact same commit was already merged for version 11.0 here: 67e2372
Note 2: this is technically a IMP, not a fix, but I (GED) will accept this, since this should only impact the testing functionality.  Also, this was done in 11.0, so in some sense, it was proved to work.

(PR: #21750)
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