Appveyor/retry failing

[niphlod]

Type of Change

• Bug fix (non-breaking change, fixes # )
• New feature (non-breaking change, adds functionality, fixes # )
• Breaking change (effects multiple commands or functionality, fixes # )
• Ran manual Pester test and has passed (.\tests\manual.pester.ps1)
• Adding code coverage to existing functionality
• Pester test is included
• If new file reference added for test, has is been added to github.com/sqlcollaborative/appveyor-lab ?
• Unit test is included
• Documentation
• Build system

Purpose

Given appveyor fails often, maybe retrying tests a few times before failing can smooth out the issues

Approach

Try 3 times before failing, logging all executions separately

[niphlod]

annnnd of course, when you'd like for something to fail, nothing does ^_^'

Time to go to bed, see ya

[potatoqualitee]

ahah thanks for adding this! I was gonna try today 🔥 🔥