[BEAM-8558] Fix BigQueryIOIT flakiness (#9995)

[BEAM-8558] Fix BigQueryIOIT table collision problems by appending UUID to the created table name
diff --git a/sdks/java/io/bigquery-io-perf-tests/src/test/java/org/apache/beam/sdk/bigqueryioperftests/BigQueryIOIT.java b/sdks/java/io/bigquery-io-perf-tests/src/test/java/org/apache/beam/sdk/bigqueryioperftests/BigQueryIOIT.java
index 79472bb..eaca31b 100644
--- a/sdks/java/io/bigquery-io-perf-tests/src/test/java/org/apache/beam/sdk/bigqueryioperftests/BigQueryIOIT.java
+++ b/sdks/java/io/bigquery-io-perf-tests/src/test/java/org/apache/beam/sdk/bigqueryioperftests/BigQueryIOIT.java
@@ -96,7 +96,7 @@
     metricsBigQueryDataset = options.getMetricsBigQueryDataset();
     metricsBigQueryTable = options.getMetricsBigQueryTable();
     testBigQueryDataset = options.getTestBigQueryDataset();
-    testBigQueryTable = options.getTestBigQueryTable();
+    testBigQueryTable = String.format("%s_%s", options.getTestBigQueryTable(), TEST_ID);
     BigQueryOptions bigQueryOptions = BigQueryOptions.newBuilder().build();
     tableQualifier =
         String.format(