diff --git a/tests/custom_map_key_type.go b/tests/custom_map_key_type.go
index <HASH>..<HASH> 100644
--- a/tests/custom_map_key_type.go
+++ b/tests/custom_map_key_type.go
@@ -22,9 +22,8 @@ var customMapKeyTypeValue CustomMapKeyType
 
 func init() {
 	customMapKeyTypeValue.Map = map[customKeyType]int{
-		customKeyType{0x01, 0x01}: 1,
-		customKeyType{0x02, 0x02}: 2,
+		customKeyType{0x01, 0x02}: 3,
 	}
 }
 
-var customMapKeyTypeValueString = `{"Map":{"0101":1,"0202":2}}`
+var customMapKeyTypeValueString = `{"Map":{"0102":3}}`
reduce the unit test map to 1 element so the encoding is consistent

otherwise, since the map iterates in randomish order, some of the time
the element order does not match the unit test expected result, causing
the unit test to fail unnecessarily.