fix test failure

Author: wgtmac

parquet-avro/src/test/java/org/apache/parquet/avro/TestReflectReadWrite.java

@@ -40,11 +40,13 @@
 import org.apache.parquet.hadoop.ParquetReader;
 import org.apache.parquet.hadoop.ParquetWriter;
 import org.apache.parquet.hadoop.metadata.CompressionCodecName;
+import org.junit.Before;
 import org.junit.Test;
 
 public class TestReflectReadWrite {
 
-  static {
+  @Before
+  public void setup() {
     System.setProperty(
         "org.apache.parquet.avro.SERIALIZABLE_PACKAGES",
         "java.lang,java.math,java.io,java.net,org.apache.avro.reflect,org.apache.parquet.avro");