Making PMD suggested changes

git-svn-id: https://svn.apache.org/repos/asf/commons/sandbox/csv/trunk@631134 13f79535-47bb-0310-9956-ffa450edef68

Author: hen

src/test/org/apache/commons/csv/CSVStrategyTest.java

@@ -16,10 +16,7 @@
  */
 package org.apache.commons.csv;
 
-import java.io.IOException;
-import java.io.Reader;
 import java.io.StringReader;
-import java.util.Arrays;
 
 import junit.framework.Test;
 import junit.framework.TestCase;

src/test/org/apache/commons/csv/CSVUtilsTest.java

@@ -17,13 +17,8 @@
 package org.apache.commons.csv;
 
 import java.io.IOException;
-import java.io.Reader;
-import java.io.StringReader;
-import java.util.Arrays;
 
-import junit.framework.Test;
 import junit.framework.TestCase;
-import junit.framework.TestSuite;
 
 /**
  * CSVUtilsTest

src/test/org/apache/commons/csv/ExtendedBufferedReaderTest.java

@@ -29,7 +29,6 @@
  */
 public class ExtendedBufferedReaderTest extends TestCase {
 
-  private StringBuffer buf = null;
   private ExtendedBufferedReader br = null;
 
   /**