[lake/iceberg] thrown Exception when partition columns are of non-String type

Author: wangjunbo

fluss-lake/fluss-lake-iceberg/src/test/java/org/apache/fluss/lake/iceberg/tiering/IcebergTieringITCase.java

@@ -42,7 +42,6 @@
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
-import org.junit.jupiter.params.provider.MethodSource;
 import org.junit.jupiter.params.provider.ValueSource;
 
 import java.nio.ByteBuffer;