diff --git a/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlConnectorTest.java b/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlConnectorTest.java
index 345ea11fe68..4e39f890ab8 100644
--- a/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlConnectorTest.java
+++ b/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlConnectorTest.java
@@ -137,10 +137,10 @@ protected boolean hasBehavior(TestingConnectorBehavior connectorBehavior)
             case SUPPORTS_CANCELLATION,
                     SUPPORTS_JOIN_PUSHDOWN,
                     SUPPORTS_JOIN_PUSHDOWN_WITH_VARCHAR_EQUALITY,
-                    SUPPORTS_TOPN_PUSHDOWN,
-                    SUPPORTS_TOPN_PUSHDOWN_WITH_VARCHAR,
+                    SUPPORTS_MERGE,
                     SUPPORTS_ROW_LEVEL_UPDATE,
-                    SUPPORTS_MERGE -> true;
+                    SUPPORTS_TOPN_PUSHDOWN,
+                    SUPPORTS_TOPN_PUSHDOWN_WITH_VARCHAR -> true;
             case SUPPORTS_ADD_COLUMN_WITH_COMMENT,
                     SUPPORTS_CREATE_TABLE_WITH_COLUMN_COMMENT,
                     SUPPORTS_JOIN_PUSHDOWN_WITH_FULL_JOIN,
diff --git a/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlJdbcConnectionAccesses.java b/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlJdbcConnectionAccesses.java
index e09d7324c60..ad85f01582d 100644
--- a/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlJdbcConnectionAccesses.java
+++ b/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlJdbcConnectionAccesses.java
@@ -130,17 +130,12 @@ private void testJdbcMergeConnectionCreations()
     {
         assertJdbcConnections("CREATE TABLE copy_of_customer AS SELECT * FROM customer", 15, Optional.empty());
 
-        addPrimaryKeyToCopyTable();
+        postgreSqlServer.execute("ALTER TABLE copy_of_customer ADD CONSTRAINT t_copy_of_customer PRIMARY KEY (custkey)");
         assertJdbcConnections("DELETE FROM copy_of_customer WHERE abs(custkey) = 1", 24, Optional.empty());
         assertJdbcConnections("UPDATE copy_of_customer SET name = 'POLAND' WHERE abs(custkey) = 1", 32, Optional.empty());
         assertJdbcConnections("MERGE INTO copy_of_customer c USING customer r ON r.custkey = c.custkey WHEN MATCHED THEN DELETE", 28, Optional.empty());
     }
 
-    private void addPrimaryKeyToCopyTable()
-    {
-        postgreSqlServer.execute("ALTER TABLE copy_of_customer ADD CONSTRAINT t_copy_of_customer PRIMARY KEY (custkey)");
-    }
-
     private static final class TestingPostgreSqlModule
             extends AbstractConfigurationAwareModule
     {
diff --git a/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlJdbcConnectionCreation.java b/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlJdbcConnectionCreation.java
index 7afea0c3a52..2454b0ef6da 100644
--- a/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlJdbcConnectionCreation.java
+++ b/plugin/trino-postgresql/src/test/java/io/trino/plugin/postgresql/TestPostgreSqlJdbcConnectionCreation.java
@@ -127,17 +127,12 @@ private void testJdbcMergeConnectionCreations()
     {
         assertJdbcConnections("CREATE TABLE copy_of_customer AS SELECT * FROM customer", 6, Optional.empty());
 
-        addPrimaryKeyToCopyTable();
+        postgreSqlServer.execute("ALTER TABLE copy_of_customer ADD CONSTRAINT t_copy_of_nation PRIMARY KEY (custkey)");
         assertJdbcConnections("DELETE FROM copy_of_customer WHERE abs(custkey) = 1", 17, Optional.empty());
         assertJdbcConnections("UPDATE copy_of_customer SET name = 'POLAND' WHERE abs(custkey) = 1", 25, Optional.empty());
         assertJdbcConnections("MERGE INTO copy_of_customer c USING customer r ON r.custkey = c.custkey WHEN MATCHED THEN DELETE", 18, Optional.empty());
     }
 
-    private void addPrimaryKeyToCopyTable()
-    {
-        postgreSqlServer.execute("ALTER TABLE copy_of_customer ADD CONSTRAINT t_copy_of_nation PRIMARY KEY (custkey)");
-    }
-
     private static final class TestingPostgreSqlModule
             extends AbstractConfigurationAwareModule
     {