Removed test classes' dependency on ByteArray{Input,Output)Stream.

test/net/sf/briar/transport/batch/ByteArrayBatchTransportReader.java → test/net/sf/briar/transport/batch/TestBatchTransportReader.java

 package net.sf.briar.transport.batch;
 
-import java.io.ByteArrayInputStream;
 import java.io.FilterInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 
 import net.sf.briar.api.transport.batch.BatchTransportReader;
 
-class ByteArrayBatchTransportReader extends FilterInputStream
+class TestBatchTransportReader extends FilterInputStream
 implements BatchTransportReader {
 
-	ByteArrayBatchTransportReader(ByteArrayInputStream in) {
+	TestBatchTransportReader(InputStream in) {
 		super(in);
 	}
 

test/net/sf/briar/transport/batch/ByteArrayBatchTransportWriter.java → test/net/sf/briar/transport/batch/TestBatchTransportWriter.java

 package net.sf.briar.transport.batch;
 
-import java.io.ByteArrayOutputStream;
 import java.io.FilterOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 
 import net.sf.briar.api.transport.batch.BatchTransportWriter;
 
-class ByteArrayBatchTransportWriter extends FilterOutputStream
+class TestBatchTransportWriter extends FilterOutputStream
 implements BatchTransportWriter {
 
 	private int capacity;
 
-	ByteArrayBatchTransportWriter(ByteArrayOutputStream out, int capacity) {
+	TestBatchTransportWriter(OutputStream out, int capacity) {
 		super(out);
 		this.capacity = capacity;
 	}