test: Use unique table names in tests (#4053)

* feat: Migrate to JUnit 5 and add parallel test execution

* feat: Migrate tests to JUnit5

* chore: Add surefire-junit-platform dep for ITs

* test: Enable parallel tests for JUnit5

* chore: Fix broken tests

* chore: Upgrade existing integration tests to JUnit 5 syntax and features

* chore: Upgrade ITNightlyBigQueryTest to JUnit 5 features and package-private

* chore: Make the tests package-private

* feat: migrate tests to JUnit 5 assertThrows and static imports

* chore: Remove wildcard imports

* chore: revert samples to use junit4

* chore: Address code comments

* chore: Close connection after test

* chore: Fix flaky tests

* chore: Fix flaky tests

* chore: Fix tests

* chore: Disable cache for query stats

* chore: Add unique id to each table

* chore: Use unique test table names

* chore: Remove parallel test execution

* chore: Add comment for cache

* chore: Fix broken test

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Co-authored-by: AbgarSim <abgar1223@gmail.com>

Author: lqiu96