Removed auto-flushing for every event from EventManager.

src/EventManager.php

@@ -111,7 +111,8 @@ class EventManager
             'class' => $class,
             'library' => $library
         ]);
-        $e->save($this->g->getEntityManager());
+
+        $this->g->getEntityManager()->persist($e);
     }
 
     /**

src/ModuleManager.php

@@ -79,7 +79,8 @@ class ModuleManager
 
             try {
                 $class::onRegister($this->g, $m);
-                $m->save($this->g->getEntityManager());
+                $this->g->getEntityManager()->persist($m);
+                $this->g->getEntityManager()->flush();
             } catch (Throwable $e) {
                 $this->g->getLogger()->error("Calling {$class}::onRegister failed with exception: {$e->getMessage()}");
                 unset($m);

tests/EventManagerTest.php

@@ -96,6 +96,7 @@ class EventManagerTest extends CoreModelTestCase
         $library = 'lotgd/tests';
 
         $em->subscribe($pattern, $class, $library);
+        $this->getEntityManager()->flush();
 
         $sub = EventSubscription::create([
             'pattern' => $pattern,

tests/GameTest.php

@@ -159,6 +159,7 @@ class GameTest extends CoreModelTestCase
 
         $this->g->getEventManager()->subscribe('/h\/lotgd\/core\/default-scene/', DefaultSceneProvider::class, 'lotgd/core/tests');
         $this->g->getEventManager()->subscribe('/h\/lotgd\/core\/navigate-to\/.*/', DefaultSceneProvider::class, 'lotgd/core/tests');
+        $this->getEntityManager()->flush();
 
         $v = $this->g->getViewpoint();
         // Run it twice to make sure no additional DB operations happen.
@@ -214,6 +215,7 @@ class GameTest extends CoreModelTestCase
 
         // subscribe event
         $this->g->getEventManager()->subscribe('#h/lotgd/core/navigate-to/lotgd/tests/paramaters#', DefaultSceneProvider::class, 'lotgd/core/tests');
+        $this->getEntityManager()->flush();
 
         $action = new Action(7, null, ["foo" => "baz"]);
         $actionId = $action->getId();
@@ -243,6 +245,7 @@ class GameTest extends CoreModelTestCase
 
         // subscribe event
         $this->g->getEventManager()->subscribe('#h/lotgd/core/navigate-to/lotgd/tests/paramaters#', DefaultSceneProvider::class, 'lotgd/core/tests');
+        $this->getEntityManager()->flush();
 
         $action = new Action(7, null, ["foo" => "baz"]);
         $actionId = $action->getId();