diff -rupN --no-dereference postgis-3.1.2/regress/core/interrupt_buffer.sql postgis-3.1.2-new/regress/core/interrupt_buffer.sql
--- postgis-3.1.2/regress/core/interrupt_buffer.sql	2021-05-22 01:05:03.000000000 +0200
+++ postgis-3.1.2-new/regress/core/interrupt_buffer.sql	2021-05-24 01:28:03.588219261 +0200
@@ -36,7 +36,7 @@ select ST_Buffer(g,100) from _inputs WHE
 --( select (st_dumppoints(st_buffer(st_makepoint(0,0),10000,100000))).geom g) foo;
 -- it may take some more to interrupt st_buffer, see
 -- https://travis-ci.org/postgis/postgis/builds/40211116#L2222-L2223
-SELECT _timecheck('buffer', '200ms');
+SELECT _timecheck('buffer', '750ms');
 
 -- Not affected by old timeout
 SELECT '1', ST_NPoints(ST_Buffer('POINT(4 0)'::geometry, 2, 1));
diff -rupN --no-dereference postgis-3.1.2/regress/core/interrupt_relate.sql postgis-3.1.2-new/regress/core/interrupt_relate.sql
--- postgis-3.1.2/regress/core/interrupt_relate.sql	2021-05-22 01:05:03.000000000 +0200
+++ postgis-3.1.2-new/regress/core/interrupt_relate.sql	2021-05-24 01:28:03.588219261 +0200
@@ -34,29 +34,29 @@ UPDATE _time SET t = now(); -- reset tim
 SET statement_timeout TO 100;
 
 select ST_Contains(g,g) from _inputs WHERE id = 1; -- 6+ seconds
-SELECT _timecheck('contains', '200ms');
+SELECT _timecheck('contains', '750ms');
 
 select ST_Covers(g,g) from _inputs WHERE id = 1; -- 6+ seconds
-SELECT _timecheck('covers', '200ms');
+SELECT _timecheck('covers', '750ms');
 
 select ST_CoveredBy(g,g) from _inputs WHERE id = 1; -- 6+ seconds
-SELECT _timecheck('coveredby', '200ms');
+SELECT _timecheck('coveredby', '750ms');
 
 select ST_Crosses(g,g) from _inputs WHERE id = 1; -- 6+ seconds
-SELECT _timecheck('crosses', '200ms');
+SELECT _timecheck('crosses', '750ms');
 
 -- NOTE: we're reversing one of the operands to avoid the
 --       short-circuit described in #3226
 select ST_Equals(g,st_reverse(g)) from _inputs WHERE id = 1; -- 6+ seconds
-SELECT _timecheck('equals', '200ms');
+SELECT _timecheck('equals', '750ms');
 
 select ST_Intersects(g,g) from _inputs WHERE id = 1; -- 6+ seconds
-SELECT _timecheck('intersects', '200ms');
+SELECT _timecheck('intersects', '750ms');
 
 select ST_Overlaps(g,g) from _inputs WHERE id = 1; -- 6+ seconds
-SELECT _timecheck('overlaps', '200ms');
+SELECT _timecheck('overlaps', '750ms');
 
 select ST_Relate(g,g) from _inputs WHERE id = 1; -- 6+ seconds
-SELECT _timecheck('relate', '200ms');
+SELECT _timecheck('relate', '750ms');
 
 DROP FUNCTION _timecheck(text, interval);
diff -rupN --no-dereference postgis-3.1.2/regress/core/interrupt.sql postgis-3.1.2-new/regress/core/interrupt.sql
--- postgis-3.1.2/regress/core/interrupt.sql	2021-05-22 01:05:03.000000000 +0200
+++ postgis-3.1.2-new/regress/core/interrupt.sql	2021-05-24 01:28:03.588219261 +0200
@@ -24,7 +24,7 @@ $$ LANGUAGE 'plpgsql' VOLATILE;
 SET statement_timeout TO 100;
 -- would run for many seconds if uninterruptible...
 SELECT ST_Segmentize(ST_MakeLine(ST_Point(4,39), ST_Point(1,41)), 1e-100);
-SELECT _timecheck('segmentize', '250ms');
+SELECT _timecheck('segmentize', '750ms');
 SET statement_timeout TO 0;
 -- Not affected by old timeout
 SELECT '1',ST_AsText(ST_Segmentize('LINESTRING(0 0,4 0)'::geometry, 2));