1 files changed, 2 insertions, 2 deletions
diff --git a/test/org/traccar/protocol/Tr20ProtocolDecoderTest.java b/test/org/traccar/protocol/Tr20ProtocolDecoderTest.java
index b2d2d9a7d..669e84f53 100644
--- a/test/org/traccar/protocol/Tr20ProtocolDecoderTest.java
+++ b/test/org/traccar/protocol/Tr20ProtocolDecoderTest.java
@@ -5,12 +5,12 @@ import static org.traccar.helper.DecoderVerifier.verify;
 import static org.junit.Assert.assertNull;
 import org.junit.Test;
 
-public class Tr20ProtocolDecoderTest {
+public class Tr20ProtocolDecoderTest extends ProtocolDecoderTest {
 
     @Test
     public void testDecode() throws Exception {
 
-        Tr20ProtocolDecoder decoder = new Tr20ProtocolDecoder(new TestDataManager(), null, null);
+        Tr20ProtocolDecoder decoder = new Tr20ProtocolDecoder(null);
 
         assertNull(decoder.decode(null, null, "%%TRACKPRO01,1"));