renamed some integration test files to be more consistent

Signed-off-by: Dmitriy Kalinin <dmitriy@pivotallabs.com>
removed extra describe namespaces in integration tests
be explicit when sandbox for integration tests gets reset
added errand integration tests
fixed flakey test in alert processor
formatting
Fix a vSphere CPI regression

[fixes #66104896]

Signed-off-by: Jesse Zhang <jz@pivotallabs.com>
Adding final release for build 2089