test(bigquery): Fix flaky ITBigQueryTest#testProjectIDFastSQLQueryWithJobId #17338

Job	Run time
package_name_check	1m 3s
group_id_check_for_maps_libraries	7m 42s
gitignore_correctness	1m 3s
owlbot-yaml	1m 3s
generate-readme	1m 8s
owlbot-py	1m 13s
gapic-bom	1m 36s
root-pom	1m 40s
	16m 28s

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