E2E - Config Server tooling and test cases

[chandrareddyp]

What this PR does / why we need it

This PR implements the end-to-end test cases and tooling for tanzu config server commands - tanzu config server list and tanzu config server delete
The existing KIND cluster tooling has been used to create context (server in this use case) and implement these E2E test cases.
Use cases covered in this PR:

tanzu config server list
tanzu config server delete

It uses the Context tooling to create the servers

Which issue(s) this PR fixes

Fixes #

Describe testing done for PR

Successfully executed the config e2e test cases locally:

❯ export PATH=/Users/cpamuluri/tkg/tasks/e2e_tests/core_main/tanzu-cli/bin:/Users/cpamuluri/tkg/tasks/e2e_tests/core_main/tanzu-cli/bin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/go/bin:/Library/Apple/usr/bin:/Users/cpamuluri/.fig/bin:/Users/cpamuluri/.local/bin
❯ 
❯ go test ./test/e2e/config -timeout 60m -race -coverprofile coverage.txt -v
=== RUN   TestConfig
Running Suite: Config Suite
===========================
Random Seed: 1679095791
Will run 9 of 9 specs

••••••••[x] error while running: tanzu config server delete 3h2Y -y: error while running 'tanzu config server delete 3h2Y -y', stdOut: , stdErr: [i] Deleting entry for cluster 3h2Y
[x] : server 3h2Y not found in list of known servers
%!(EXTRA *exec.ExitError=exit status 1)
•
Ran 9 of 9 Specs in 26.325 seconds
SUCCESS! -- 9 Passed | 0 Failed | 0 Pending | 0 Skipped
--- PASS: TestConfig (26.34s)
PASS
coverage: [no statements]
ok      github.com/vmware-tanzu/tanzu-cli/test/e2e/config       26.816s coverage: [no statements]
❯ 

Release note

E2E tests for `tanzu config server` implemented

Additional information

Special notes for your reviewer

[anujc25]

Please update the title to be more specific. Also, provide more details about the tests as part of the PR description and release notes.

[anujc25]

LGTM