chore: Fix testProjectIDFastSQLQueryWithJobId invalid generated project id length

[lqiu96]

Fixes: #4077

[gemini-code-assist]

Summary of Changes

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This pull request refactors the random name generation utility within the integration tests by renaming generateTableName to generateRandomName and updating all its invocations. This change standardizes the approach to generating unique identifiers for test resources and specifically addresses a bug where an invalid project ID length was being generated in a particular test, leading to failures.

Highlights

• Refactored Random Name Generation: The utility method generateTableName was renamed to generateRandomName to more accurately reflect its general purpose of generating random identifiers for various test entities, not just tables.
• Standardized Random Name Usage: All existing calls to the previously named generateTableName method have been updated to use the new generateRandomName method across numerous integration tests, ensuring consistent random string generation.
• Fixed Project ID Length Issue: A specific test failure in testProjectIDFastSQLQueryWithJobId, caused by an invalid generated project ID length, was resolved by ensuring the random name generation consistently produces a shorter, valid identifier suitable for project IDs.

Changelog

• google-cloud-bigquery/src/test/java/com/google/cloud/bigquery/it/ITBigQueryTest.java
  • Renamed the generateTableName method to generateRandomName.
  • Updated all references to generateTableName to use generateRandomName for initializing TableId constants and within various test methods.
  • Modified the testProjectIDFastSQLQueryWithJobId test to use generateRandomName for generating the invalidProjectId.

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[gemini-code-assist]

Code Review

This pull request refactors the generateTableName method to the more general generateRandomName and updates its usages throughout the test file. This change also fixes an issue in testProjectIDFastSQLQueryWithJobId where a generated project ID was too long. The refactoring is a good improvement. I've added a couple of suggestions to improve the robustness and clarity of the test that was fixed.

[gemini-code-assist]

Removing throws InterruptedException here is problematic. The bigquery.query() call inside this test can throw a checked InterruptedException. The current implementation catches it with a generic catch (Exception ...) block, but the assertions inside that block are specific to BigQueryException and will fail for an InterruptedException. This makes the test brittle.

It's better to re-add throws InterruptedException to the method signature and change the catch block to only handle BigQueryException. Also, the test should fail if no exception is thrown.

Suggested change

	void testProjectIDFastSQLQueryWithJobId() {
	void testProjectIDFastSQLQueryWithJobId() throws InterruptedException {