correct check using assertionVal instead of actual

Author: RafaelCenzano

internal/integration/unified/matches.go

@@ -245,7 +245,7 @@ func evaluateSpecialComparison(ctx context.Context, assertionDoc bson.Raw, actua
 		if assertionVal.Type != bson.TypeInt32 && assertionVal.Type != bson.TypeInt64 && assertionVal.Type != bson.TypeDouble {
 			return fmt.Errorf("expected assertionVal to be an Int32, Int64, or Double but got a %s", assertionVal.Type)
 		}
-		if actual.Type != bson.TypeInt32 && actual.Type != bson.TypeInt64 && assertionVal.Type != bson.TypeDouble {
+		if actual.Type != bson.TypeInt32 && actual.Type != bson.TypeInt64 && actual.Type != bson.TypeDouble {
 			return fmt.Errorf("expected value to be an Int32, Int64, or Double but got a %s", actual.Type)
 		}