Add test for missing values in aggregate interface

Add test with partial payload for aggregate interface validation

Signed-off-by: Osman Hadzic <[email protected]>

Author: osmanhadzic

AstarteDeviceSDKCSharp.Tests/Protocol/AstarteDeviceAggregateDatastreamInterfaceTest.cs

@@ -177,5 +177,19 @@ public void ValidateAggregateWithBadArraysTest()
             Assert.Throws<AstarteInvalidValueException>(() =>
             aInterfaceWArray.ValidatePayload("/test", payload, new DateTime()));
         }
+
+        [Fact]
+        public void ValidateAggregateWithMissingValueTest()
+        {
+            Dictionary<string, object> payload = new Dictionary<string, object>();
+            payload.Add("int", 1);
+            payload.Add("intArray", new int[] { 1, 2, -4 });
+
+            var exception = Record.Exception(() =>
+            aInterfaceWArray.ValidatePayload("/test", payload, new DateTime()));
+
+            Assert.Null(exception);
+        }
+
     }
 }