1 files changed, 4 insertions, 0 deletions
diff --git a/test/org/traccar/ProtocolTest.java b/test/org/traccar/ProtocolTest.java
index 59cb96f22..465a3496d 100644
--- a/test/org/traccar/ProtocolTest.java
+++ b/test/org/traccar/ProtocolTest.java
@@ -188,6 +188,10 @@ public class ProtocolTest extends BaseTest {
             Assert.assertTrue(attributes.get(Position.KEY_RPM) instanceof Number);
         }
 
+        if (attributes.containsKey(Position.KEY_FUEL_LEVEL)) {
+            Assert.assertTrue(attributes.get(Position.KEY_FUEL_LEVEL) instanceof Number);
+        }
+
         if (position.getNetwork() != null && position.getNetwork().getCellTowers() != null) {
             for (CellTower cellTower : position.getNetwork().getCellTowers()) {
                 checkInteger(cellTower.getMobileCountryCode(), 0, 999);