diff --git a/tests/cases/Db/PostgreSQL/TestCreation.php b/tests/cases/Db/PostgreSQLPDO/TestCreation.php
similarity index 98%
rename from tests/cases/Db/PostgreSQL/TestCreation.php
rename to tests/cases/Db/PostgreSQLPDO/TestCreation.php
index e22854ad..3561ff46 100644
--- a/tests/cases/Db/PostgreSQL/TestCreation.php
+++ b/tests/cases/Db/PostgreSQLPDO/TestCreation.php
@@ -4,7 +4,7 @@
  * See LICENSE and AUTHORS files for details */
 
 declare(strict_types=1);
-namespace JKingWeb\Arsse\TestCase\Db\PostgreSQL;
+namespace JKingWeb\Arsse\TestCase\Db\PostgreSQLPDO;
 
 use JKingWeb\Arsse\Arsse;
 use JKingWeb\Arsse\Db\PostgreSQL\PDODriver as Driver;
diff --git a/tests/cases/Db/PostgreSQL/TestDatabase.php b/tests/cases/Db/PostgreSQLPDO/TestDatabase.php
similarity index 96%
rename from tests/cases/Db/PostgreSQL/TestDatabase.php
rename to tests/cases/Db/PostgreSQLPDO/TestDatabase.php
index 7ea7fc89..42d5f9f7 100644
--- a/tests/cases/Db/PostgreSQL/TestDatabase.php
+++ b/tests/cases/Db/PostgreSQLPDO/TestDatabase.php
@@ -4,7 +4,7 @@
  * See LICENSE and AUTHORS files for details */
 
 declare(strict_types=1);
-namespace JKingWeb\Arsse\TestCase\Db\PosgreSQL;
+namespace JKingWeb\Arsse\TestCase\Db\PostgreSQLPDO;
 
 /**
  * @group slow
diff --git a/tests/cases/Db/PostgreSQL/TestDriver.php b/tests/cases/Db/PostgreSQLPDO/TestDriver.php
similarity index 94%
rename from tests/cases/Db/PostgreSQL/TestDriver.php
rename to tests/cases/Db/PostgreSQLPDO/TestDriver.php
index dadf9cbd..fa043bc5 100644
--- a/tests/cases/Db/PostgreSQL/TestDriver.php
+++ b/tests/cases/Db/PostgreSQLPDO/TestDriver.php
@@ -4,7 +4,7 @@
  * See LICENSE and AUTHORS files for details */
 
 declare(strict_types=1);
-namespace JKingWeb\Arsse\TestCase\Db\PostgreSQL;
+namespace JKingWeb\Arsse\TestCase\Db\PostgreSQLPDO;
 
 /**
  * @group slow
diff --git a/tests/cases/Db/PostgreSQL/TestResult.php b/tests/cases/Db/PostgreSQLPDO/TestResult.php
similarity index 93%
rename from tests/cases/Db/PostgreSQL/TestResult.php
rename to tests/cases/Db/PostgreSQLPDO/TestResult.php
index 0d85bdd6..86b4714d 100644
--- a/tests/cases/Db/PostgreSQL/TestResult.php
+++ b/tests/cases/Db/PostgreSQLPDO/TestResult.php
@@ -4,7 +4,7 @@
  * See LICENSE and AUTHORS files for details */
 
 declare(strict_types=1);
-namespace JKingWeb\Arsse\TestCase\Db\PostgreSQL;
+namespace JKingWeb\Arsse\TestCase\Db\PostgreSQLPDO;
 
 use JKingWeb\Arsse\Test\DatabaseInformation;
 
diff --git a/tests/cases/Db/PostgreSQL/TestStatement.php b/tests/cases/Db/PostgreSQLPDO/TestStatement.php
similarity index 95%
rename from tests/cases/Db/PostgreSQL/TestStatement.php
rename to tests/cases/Db/PostgreSQLPDO/TestStatement.php
index ba56a58b..900c2e8b 100644
--- a/tests/cases/Db/PostgreSQL/TestStatement.php
+++ b/tests/cases/Db/PostgreSQLPDO/TestStatement.php
@@ -4,7 +4,7 @@
  * See LICENSE and AUTHORS files for details */
 
 declare(strict_types=1);
-namespace JKingWeb\Arsse\TestCase\Db\PostgreSQL;
+namespace JKingWeb\Arsse\TestCase\Db\PostgreSQLPDO;
 
 /**
  * @group slow
diff --git a/tests/cases/Db/PostgreSQL/TestUpdate.php b/tests/cases/Db/PostgreSQLPDO/TestUpdate.php
similarity index 92%
rename from tests/cases/Db/PostgreSQL/TestUpdate.php
rename to tests/cases/Db/PostgreSQLPDO/TestUpdate.php
index 21bf1209..92de5695 100644
--- a/tests/cases/Db/PostgreSQL/TestUpdate.php
+++ b/tests/cases/Db/PostgreSQLPDO/TestUpdate.php
@@ -4,7 +4,7 @@
  * See LICENSE and AUTHORS files for details */
 
 declare(strict_types=1);
-namespace JKingWeb\Arsse\TestCase\Db\PostgreSQL;
+namespace JKingWeb\Arsse\TestCase\Db\PostgreSQLPDO;
 
 /**
  * @group slow
diff --git a/tests/phpunit.xml b/tests/phpunit.xml
index 2733f334..ceca94ac 100644
--- a/tests/phpunit.xml
+++ b/tests/phpunit.xml
@@ -62,11 +62,18 @@
         <file>cases/Db/PostgreSQL/TestCreation.php</file>
         <file>cases/Db/PostgreSQL/TestDriver.php</file>
         <file>cases/Db/PostgreSQL/TestUpdate.php</file>
+
+        <file>cases/Db/PostgreSQLPDO/TestResult.php</file>
+        <file>cases/Db/PostgreSQLPDO/TestStatement.php</file>
+        <file>cases/Db/PostgreSQLPDO/TestCreation.php</file>
+        <file>cases/Db/PostgreSQLPDO/TestDriver.php</file>
+        <file>cases/Db/PostgreSQLPDO/TestUpdate.php</file>
     </testsuite>
     <testsuite name="Database functions">
         <file>cases/Db/SQLite3/TestDatabase.php</file>
         <file>cases/Db/SQLite3PDO/TestDatabase.php</file>
         <file>cases/Db/PostgreSQL/TestDatabase.php</file>
+        <file>cases/Db/PostgreSQLPDO/TestDatabase.php</file>
     </testsuite>
     <testsuite name="REST">
         <file>cases/REST/TestTarget.php</file>