chore(bq jdbc): Add integration test suites #16670

Job	Run time
root-pom	1m 36s
generate-readme	57s
owlbot-py	1m 3s
package_name_check	54s
group_id_check_for_maps_libraries	6m 59s
gitignore_correctness	54s
gapic-bom	1m 38s
owlbot-yaml	1m 37s
	15m 38s

Provide feedback