Resolve G301 expect directory permission to be 0750 or less

[austinvazquez]

Resolve the following errors:

Error: runtime/service_test.go:315:10: G301: Expect directory permissions to be 0750 or less (gosec)
		err := os.MkdirAll(stubDrivePath, os.ModePerm)

[austinvazquez]

Success criteria is this line can be removed from .golangci.yml

    - G301 # Expect directory permissions to be 0750 or less