JUnit 3 -> 4: replace import of junit.framework.Assert with org.junit.Assert.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1437523 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/test/java/org/apache/commons/io/CharsetsTestCase.java

@@ -20,7 +20,7 @@
 import java.nio.charset.Charset;
 import java.util.SortedMap;
 
-import junit.framework.Assert;
+import org.junit.Assert;
 
 import org.junit.Test;
 

src/test/java/org/apache/commons/io/DirectoryWalkerTestCase.java

@@ -28,7 +28,7 @@
 import java.util.Collection;
 import java.util.List;
 
-import junit.framework.Assert;
+import org.junit.Assert;
 
 import org.apache.commons.io.filefilter.FileFilterUtils;
 import org.apache.commons.io.filefilter.IOFileFilter;

src/test/java/org/apache/commons/io/DirectoryWalkerTestCaseJava4.java

@@ -24,7 +24,7 @@
 import java.util.Iterator;
 import java.util.List;
 
-import junit.framework.Assert;
+import org.junit.Assert;
 import junit.framework.TestCase;
 
 import org.apache.commons.io.filefilter.FileFilterUtils;

src/test/java/org/apache/commons/io/FileSystemUtilsTestCase.java

@@ -25,7 +25,7 @@
 import java.io.OutputStream;
 import java.util.Locale;
 
-import junit.framework.Assert;
+import org.junit.Assert;
 
 import org.apache.commons.io.testtools.FileBasedTestCase;