Refactor sql-tests and cleanup after test execution

[bhallasaksham]

Description of changes:

• Current setup has a lot of individual scripts and code duplication. Spent some time to refactor the existing scripts and adds idempotency
• Created a new script that will call all setup scripts and execute test. Script will also cleanup after test is complete

Testing done:

• Ran the run_e2e_test script in my local environment and verified that I can run sql test and have cleanup once the test is done.

• Will create a follow up PR that updates README and necessary docs.

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[smhmhmd]

Do the changes require a rerun of CDK ?

[bhallasaksham]

Do the changes require a rerun of CDK ?

No, we don't need to re-deploy the cdk