Added test for dashboard counts

[marcusmoore]

Description

Another tiny PR that adds simply adds a test to ensure the counts that are loaded on the admin dashboard are accurate.

Type of change

• Tests

[what-the-diff]

PR Summary

• Import Additional Models:-
  The team has introduced a number of new models - Accessory, Asset, Component, Consumable, and License. These are required to implement new functionality and features, enhancing the product's capabilities further.

• Additional Test Method Introduced:-
  A new test method called testCountsAreLoadedCorrectlyForAdmins has been added. This ensures the data counts of different models are correctly displayed for the Admin users. It helps maintain data integrity and provides accurate information to the site administrators.