Add ad7746 and adxrs290 tests

[trishaange01]

Description

The pull request adds test modules for ad7746 and adxrs290 and added attribute tests.

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

How has this been tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Test A
• Test B

Test Configuration:

• Hardware: ad7746 and adxrs290
• OS: Windows

Documentation

If this is a new feature or example please mention or link any documentation. All new hardware interface classes require documentation.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have signed off all commits and they contain "Signed-off by: "
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[trishaange01]

Hi @tfcollins! I created a new PR for ad7746 and adxrs290 to get the changes from the devices in a single branch. This PR is ready for review. Thanks! :)

[trishaange01]

Hi @tfcollins. This PR is ready for review. Thanks :)

[trishaange01]

Hi @tfcollins. This PR is ready for review. Thanks! 😊

[trishaange01]

Hi @tfcollins. This PR is ready for review. Thanks! :)