Fix test

Author: logachev

java-bigquery/google-cloud-bigquery/src/test/java/com/google/cloud/bigquery/it/ITBigQueryTest.java

@@ -7517,7 +7517,7 @@ void testQueryWithTimeout() throws InterruptedException {
             .setJobCreationMode(JobCreationMode.JOB_CREATION_REQUIRED)
             .setUseQueryCache(false)
             .build();
-    long millis = System.currentTimeMillis();
+    millis = System.currentTimeMillis();
     result = bigQuery.queryWithTimeout(config, null, 1000L);
     millis = System.currentTimeMillis() - millis;
     assertTrue(result instanceof Job);