diff --git a/test/CDB_QueryTablesTest_expect b/test/CDB_QueryTablesTest_expect
index 94d4138..47ab857 100644
--- a/test/CDB_QueryTablesTest_expect
+++ b/test/CDB_QueryTablesTest_expect
@@ -1,4 +1,4 @@
-SELECT * FROM geometry_columns|{pg_catalog.pg_attribute,pg_catalog.pg_class,pg_catalog.pg_namespace,pg_catalog.pg_type}
+SELECT * FROM geometry_columns|{pg_catalog.pg_attribute,pg_catalog.pg_class,pg_catalog.pg_constraint,pg_catalog.pg_namespace,pg_catalog.pg_type}
 SELECT a.attname FROM pg_class c JOIN pg_attribute a on (a.attrelid = c.oid)|{pg_catalog.pg_attribute,pg_catalog.pg_class}
 CREATE table "my'tab;le" as select 1|{}
 SELECT a.oid, b.oid FROM pg_class a, pg_class b|{pg_catalog.pg_class}
@@ -20,4 +20,4 @@ select * from sc.test|{sc.test}
 DROP TABLE
 DROP SCHEMA
 SELECT
-* FROM geometry_columns|{pg_catalog.pg_attribute,pg_catalog.pg_class,pg_catalog.pg_namespace,pg_catalog.pg_type}
+* FROM geometry_columns|{pg_catalog.pg_attribute,pg_catalog.pg_class,pg_catalog.pg_constraint,pg_catalog.pg_namespace,pg_catalog.pg_type}
diff --git a/test/CDB_XYZ_ExtentTest.sql b/test/CDB_XYZ_ExtentTest.sql
index 2202c3d..6f080fe 100644
--- a/test/CDB_XYZ_ExtentTest.sql
+++ b/test/CDB_XYZ_ExtentTest.sql
@@ -4,6 +4,6 @@ range AS ( select z, generate_series(0, pow(2,z)::int-1) as r FROM zoom),
 inp AS ( select z0.z, r1.r as x, r2.r as y FROM zoom z0, range r1, range r2 WHERE z0.z = r1.z and r1.z = r2.z ),
 ext AS ( select x,y,z,CDB_XYZ_Extent(x,y,z) as g from inp )
 select X::text || ',' || Y::text || ',' || Z::text as xyz,
-       st_xmin(g), st_xmax(g), st_ymin(g), st_ymax(g)
+       round(st_xmin(g)), round(st_xmax(g)), round(st_ymin(g)), round(st_ymax(g))
        from ext order by xyz;
 
diff --git a/test/CDB_XYZ_ExtentTest_expect b/test/CDB_XYZ_ExtentTest_expect
index 48c8759..3e83e69 100644
--- a/test/CDB_XYZ_ExtentTest_expect
+++ b/test/CDB_XYZ_ExtentTest_expect
@@ -1,21 +1,21 @@
-0,0,0|-20037508.5|20037508.5|-20037508.5|20037508.5
-0,0,1|-20037508.5|0|0|20037508.5
-0,0,2|-20037508.5|-10018754.25|10018754.25|20037508.5
-0,1,1|-20037508.5|0|-20037508.5|0
-0,1,2|-20037508.5|-10018754.25|0|10018754.25
-0,2,2|-20037508.5|-10018754.25|-10018754.25|0
-0,3,2|-20037508.5|-10018754.25|-20037508.5|-10018754.25
-1,0,1|0|20037508.5|0|20037508.5
-1,0,2|-10018754.25|0|10018754.25|20037508.5
-1,1,1|0|20037508.5|-20037508.5|0
-1,1,2|-10018754.25|0|0|10018754.25
-1,2,2|-10018754.25|0|-10018754.25|0
-1,3,2|-10018754.25|0|-20037508.5|-10018754.25
-2,0,2|0|10018754.25|10018754.25|20037508.5
-2,1,2|0|10018754.25|0|10018754.25
-2,2,2|0|10018754.25|-10018754.25|0
-2,3,2|0|10018754.25|-20037508.5|-10018754.25
-3,0,2|10018754.25|20037508.5|10018754.25|20037508.5
-3,1,2|10018754.25|20037508.5|0|10018754.25
-3,2,2|10018754.25|20037508.5|-10018754.25|0
-3,3,2|10018754.25|20037508.5|-20037508.5|-10018754.25
+0,0,0|-20037508|20037508|-20037508|20037508
+0,0,1|-20037508|0|0|20037508
+0,0,2|-20037508|-10018754|10018754|20037508
+0,1,1|-20037508|0|-20037508|0
+0,1,2|-20037508|-10018754|0|10018754
+0,2,2|-20037508|-10018754|-10018754|0
+0,3,2|-20037508|-10018754|-20037508|-10018754
+1,0,1|0|20037508|0|20037508
+1,0,2|-10018754|0|10018754|20037508
+1,1,1|0|20037508|-20037508|0
+1,1,2|-10018754|0|0|10018754
+1,2,2|-10018754|0|-10018754|0
+1,3,2|-10018754|0|-20037508|-10018754
+2,0,2|0|10018754|10018754|20037508
+2,1,2|0|10018754|0|10018754
+2,2,2|0|10018754|-10018754|0
+2,3,2|0|10018754|-20037508|-10018754
+3,0,2|10018754|20037508|10018754|20037508
+3,1,2|10018754|20037508|0|10018754
+3,2,2|10018754|20037508|-10018754|0
+3,3,2|10018754|20037508|-20037508|-10018754