test(CreateFullPage): replace act with waitFor

[matthewgallo]

Closes #

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.85%. Comparing base (711eb72) to head (fbbed26).
Report is 30 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6521      +/-   ##
==========================================
+ Coverage   79.61%   79.85%   +0.24%     
==========================================
  Files         394      394              
  Lines       12871    12877       +6     
  Branches     4268     4258      -10     
==========================================
+ Hits        10247    10283      +36     
+ Misses       2624     2594      -30     

Components	Coverage Δ
ibm-products	∅ <ø> (∅)
ibm-products-web-components	∅ <ø> (∅)