https://github.com/dverite/icu_ext/issues/18

--- a/expected/tests-datetime.out
+++ b/expected/tests-datetime.out
@@ -15,15 +15,6 @@ select
 set icu_ext.locale to 'en@calendar=ethiopic';
 set icu_ext.date_format to '{short}';
 set icu_ext.timestamptz_format to '{short}';
--- 13-month year with 5 days in the last month
-select '1/13/2016 ERA1'::icu_date + icu_interval '12 months' as d1,
-  '1/13/2016 ERA1'::icu_date + icu_interval '13 months' as d2,
-  '1/13/2016 ERA1'::icu_date + icu_interval '1 year' as d3;
-            d1            |            d2            |            d3            
---------------------------+--------------------------+--------------------------
- 13/5/2016 ERA1, 12:00 AM | 1/13/2017 ERA1, 12:00 AM | 1/13/2017 ERA1, 12:00 AM
-(1 row)
-
 select '13/5/2016 ERA1'::icu_date + 1;
    ?column?    
 ---------------
--- a/sql/tests-datetime.sql
+++ b/sql/tests-datetime.sql
@@ -15,11 +15,6 @@ set icu_ext.locale to 'en@calendar=ethio
 set icu_ext.date_format to '{short}';
 set icu_ext.timestamptz_format to '{short}';
 
--- 13-month year with 5 days in the last month
-select '1/13/2016 ERA1'::icu_date + icu_interval '12 months' as d1,
-  '1/13/2016 ERA1'::icu_date + icu_interval '13 months' as d2,
-  '1/13/2016 ERA1'::icu_date + icu_interval '1 year' as d3;
-
 select '13/5/2016 ERA1'::icu_date + 1;
 
 set icu_ext.locale to 'en@calendar=gregorian';
