Format imports and add Changes log.

Author: yalimu-g

CHANGES.md

@@ -3,6 +3,7 @@
 ## Next
 * Added new connector, `spark-4.1-bigquery` aimed to be used in Spark 4.1. Like Spark 4.1, this connector requires at
   least Java 17 runtime. It is currently in preview mode.
+* PR #1445: Add streaming support for Spark DS v2 indirect write.
 
 ## 0.43.1 - 2025-10-22
 * Issue #1417: Fixed ClassCastException in AWS federated identity

spark-bigquery-connector-common/src/test/java/com/google/cloud/spark/bigquery/integration/WriteIntegrationTestBase.java

@@ -81,7 +81,12 @@
 import org.apache.spark.ml.feature.VectorAssembler;
 import org.apache.spark.ml.linalg.SQLDataTypes;
 import org.apache.spark.package$;
-import org.apache.spark.sql.*;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Encoder;
+import org.apache.spark.sql.Encoders;
+import org.apache.spark.sql.Row;
+import org.apache.spark.sql.RowFactory;
+import org.apache.spark.sql.SaveMode;
 import org.apache.spark.sql.execution.streaming.MemoryStream;
 import org.apache.spark.sql.streaming.OutputMode;
 import org.apache.spark.sql.streaming.StreamingQuery;