Create Unit test for ClusterVersion function

[rfitzhugh]

Is your feature request related to a problem? Please describe.

There are currently no unit test for this functions, proper unit tests should be written for this function so we can make this part of the CI/CD pipeline. This will provide more confidence when writing additional functionality or fixing bugs in the provider and is required for certification.

Unit tests should be created for the following function:

• ClusterVersion

Describe alternatives you've considered

Manually testing function when adding functionality