Need to functionally test create data store with size change requirement

[skliper]

Is your feature request related to a problem? Please describe.
Requirement related to creating critical data store with new size which should be functionally exercised:

cFE/docs/cFE_FunctionalRequirements.csv

Line 118 in c4ae5b2

ES: Reserve Critical Data Store - Size Change,cES1315.1,"If a Critical Data Store exists for the Request specified name but has a different size than what is specified in the Request, the cFE shall remove the existing Critical Data Store and create a new one using the Request specified name and size.",Assumes that if the sizes don't match then something has changed and the CDS can't be trusted.

Describe the solution you'd like
Functionally exercise the changed size case>

Describe alternatives you've considered
None

Additional context
None

Requester Info
Jacob Hageman - NASA/GSFC