2 files changed, 5 insertions, 2 deletions
diff --git a/test/org/traccar/ProtocolDecoderTest.java b/test/org/traccar/ProtocolDecoderTest.java
index df8eb4e10..95f00e5d1 100644
--- a/test/org/traccar/ProtocolDecoderTest.java
+++ b/test/org/traccar/ProtocolDecoderTest.java
@@ -68,7 +68,7 @@ public class ProtocolDecoderTest {
     protected void verifyPositions(BaseProtocolDecoder decoder, Object object) throws Exception {
         Object decodedObject = decoder.decode(null, null, object);
         Assert.assertNotNull(decodedObject);
-        Assert.assertTrue(decodedObject instanceof List);
+        Assert.assertTrue("not a list", decodedObject instanceof List);
         Assert.assertFalse("list if empty", ((List) decodedObject).isEmpty());
         for (Object item : (List) decodedObject) {
             verifyDecodedPosition(item);
@@ -78,7 +78,7 @@ public class ProtocolDecoderTest {
     protected void verifyPositions(BaseProtocolDecoder decoder, Object object, Position position) throws Exception {
         Object decodedObject = decoder.decode(null, null, object);
         Assert.assertNotNull(decodedObject);
-        Assert.assertTrue(decodedObject instanceof List);
+        Assert.assertTrue("not a list", decodedObject instanceof List);
         Assert.assertFalse("list if empty", ((List) decodedObject).isEmpty());
         for (Object item : (List) decodedObject) {
             verifyDecodedPosition(item, position);
diff --git a/test/org/traccar/protocol/CastelProtocolDecoderTest.java b/test/org/traccar/protocol/CastelProtocolDecoderTest.java
index be4cab227..fe1514738 100644
--- a/test/org/traccar/protocol/CastelProtocolDecoderTest.java
+++ b/test/org/traccar/protocol/CastelProtocolDecoderTest.java
@@ -13,6 +13,9 @@ public class CastelProtocolDecoderTest extends ProtocolDecoderTest {
 
         CastelProtocolDecoder decoder = new CastelProtocolDecoder(new CastelProtocol());
 
+        verifyPosition(decoder, binary(ByteOrder.LITTLE_ENDIAN,
+                "40405c000c363131313530303030393536000000000000000040011c0a0f0e362dca53cd0860831303000000000300000000ff000000000000007ba083a650542d3639305f56312e312e320050542d3639302056312e32008a020d0a"));
+
         verifyNothing(decoder, binary(ByteOrder.LITTLE_ENDIAN,
                 "4040450004323132474c31313433303035303033000000000040082ca89b55a6a99b555c57000000000000c40200000b0000001400036401111f000302f5533bd653f10d0a"));