Avoid mocking inexistent classes

It confuses both Psalm and PHPStan, and involves complicated mocking.

tests/Doctrine/Tests/DBAL/ConnectionTest.php

@@ -144,9 +144,7 @@ class ConnectionTest extends DbalTestCase
 
     public function testConnectDispatchEvent() : void
     {
-        $listenerMock = $this->getMockBuilder($this->getMockClass('ConnectDispatchEventListener'))
-            ->addMethods(['postConnect'])
-            ->getMock();
+        $listenerMock = $this->createMock(ConnectDispatchEventListener::class);
         $listenerMock->expects($this->once())->method('postConnect');
 
         $eventManager = new EventManager();
@@ -948,3 +946,8 @@ class ConnectionTest extends DbalTestCase
         $connection->executeCacheQuery($query, [], [], $queryCacheProfile);
     }
 }
+
+interface ConnectDispatchEventListener
+{
+    public function postConnect() : void;
+}

tests/Doctrine/Tests/DBAL/Functional/Schema/SchemaManagerFunctionalTestCase.php

@@ -369,10 +369,7 @@ abstract class SchemaManagerFunctionalTestCase extends DbalFunctionalTestCase
 
         $this->schemaManager->dropAndCreateTable($table);
 
-        $listenerMock = $this->getMockBuilder($this->getMockClass('ListTableColumnsDispatchEventListener'))
-            ->addMethods(['onSchemaColumnDefinition'])
-            ->getMock();
-
+        $listenerMock = $this->createMock(ListTableColumnsDispatchEventListener::class);
         $listenerMock
             ->expects($this->exactly(7))
             ->method('onSchemaColumnDefinition');
@@ -397,9 +394,7 @@ abstract class SchemaManagerFunctionalTestCase extends DbalFunctionalTestCase
 
         $this->schemaManager->dropAndCreateTable($table);
 
-        $listenerMock = $this->getMockBuilder($this->getMockClass('ListTableIndexesDispatchEventListener'))
-            ->addMethods(['onSchemaIndexDefinition'])
-            ->getMock();
+        $listenerMock = $this->createMock(ListTableIndexesDispatchEventListener::class);
         $listenerMock
             ->expects($this->exactly(3))
             ->method('onSchemaIndexDefinition');
@@ -1653,3 +1648,13 @@ abstract class SchemaManagerFunctionalTestCase extends DbalFunctionalTestCase
         }
     }
 }
+
+interface ListTableColumnsDispatchEventListener
+{
+    public function onSchemaColumnDefinition() : void;
+}
+
+interface ListTableIndexesDispatchEventListener
+{
+    public function onSchemaIndexDefinition() : void;
+}

tests/Doctrine/Tests/DBAL/Platforms/AbstractPlatformTestCase.php

@@ -372,9 +372,7 @@ abstract class AbstractPlatformTestCase extends DbalTestCase
 
     public function testGetCreateTableSqlDispatchEvent() : void
     {
-        $listenerMock = $this->getMockBuilder($this->getMockClass('GetCreateTableSqlDispatchEvenListener'))
-            ->addMethods(['onSchemaCreateTable', 'onSchemaCreateTableColumn'])
-            ->getMock();
+        $listenerMock = $this->createMock(GetCreateTableSqlDispatchEventListener::class);
         $listenerMock
             ->expects($this->once())
             ->method('onSchemaCreateTable');
@@ -396,9 +394,7 @@ abstract class AbstractPlatformTestCase extends DbalTestCase
 
     public function testGetDropTableSqlDispatchEvent() : void
     {
-        $listenerMock = $this->getMockBuilder($this->getMockClass('GetDropTableSqlDispatchEventListener'))
-            ->addMethods(['onSchemaDropTable'])
-            ->getMock();
+        $listenerMock = $this->createMock(GetDropTableSqlDispatchEventListener::class);
         $listenerMock
             ->expects($this->once())
             ->method('onSchemaDropTable');
@@ -413,17 +409,7 @@ abstract class AbstractPlatformTestCase extends DbalTestCase
 
     public function testGetAlterTableSqlDispatchEvent() : void
     {
-        $events = [
-            'onSchemaAlterTable',
-            'onSchemaAlterTableAddColumn',
-            'onSchemaAlterTableRemoveColumn',
-            'onSchemaAlterTableChangeColumn',
-            'onSchemaAlterTableRenameColumn',
-        ];
-
-        $listenerMock = $this->getMockBuilder($this->getMockClass('GetAlterTableSqlDispatchEvenListener'))
-            ->addMethods($events)
-            ->getMock();
+        $listenerMock = $this->createMock(GetAlterTableSqlDispatchEventListener::class);
         $listenerMock
             ->expects($this->once())
             ->method('onSchemaAlterTable');
@@ -1532,3 +1518,28 @@ abstract class AbstractPlatformTestCase extends DbalTestCase
         );
     }
 }
+
+interface GetCreateTableSqlDispatchEventListener
+{
+    public function onSchemaCreateTable() : void;
+
+    public function onSchemaCreateTableColumn() : void;
+}
+
+interface GetAlterTableSqlDispatchEventListener
+{
+    public function onSchemaAlterTable() : void;
+
+    public function onSchemaAlterTableAddColumn() : void;
+
+    public function onSchemaAlterTableRemoveColumn() : void;
+
+    public function onSchemaAlterTableChangeColumn() : void;
+
+    public function onSchemaAlterTableRenameColumn() : void;
+}
+
+interface GetDropTableSqlDispatchEventListener
+{
+    public function onSchemaDropTable() : void;
+}