Add empty test suite to get rid of the Ginkgo warning

[spring1843]

1. Issue, if available:
#1338 (comment)

There's a warning in make test

make test
ginkgo -r
[1645488461] Validation - 52/52 specs •••••••••••••••••••••••••••••••••••••••••••••••••••• SUCCESS! 1.632009ms PASS
[1645488461] CloudProvider/AWS - 41/41 specs ••••••••••••••••••••••••••••••••••••••••• SUCCESS! 11.314522285s PASS
[1645488461] Node - 18/18 specs •••••••••••••••••• SUCCESS! 10.520671872s PASS
[1645488461] Volume - 3/3 specs ••• SUCCESS! 6.879056936s PASS
[1645488461] Controllers/Provisioning - 12/12 specs •••••••••••• SUCCESS! 9.398906116s PASS
PASS
testing: warning: no tests to run
Found no test suites, did you forget to run "ginkgo bootstrap"?[1645488461] Controllers/Scheduling - 44/44 specs •••••••S•••••••••••••••••••••••••••••••••••• SUCCESS! 12.433359071s PASS
[1645488461] Controllers/Selection - 12/12 specs •••••••••••• SUCCESS! 9.188944899s PASS
[1645488461] Termination - 9/9 specs ••••••••• SUCCESS! 11.817598447s PASS
[1645488461] Functional Suite - 6/6 specs •••••• SUCCESS! 253.52µs PASS
[1645488461] Sets Suite - 11/11 specs ••••••••••• SUCCESS! 408.054µs PASS

Ginkgo ran 11 suites in 1m30.812771144s
Test Suite Passed

2. Description of changes:
Gets rid of the warning. It seems like Ginggo needs to have a test suite defined everywhere there are *_test.go files.
With this change the output will have

[1645488642] Binpacking Suite - 0/0 specs  SUCCESS! 144.803µs PASS

3. How was this change tested?

4. Does this change impact docs?

• Yes, PR includes docs updates
• Yes, issue opened: link to issue
• No

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

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