diff --git a/config/config_test.yml b/config/config_test.yml
index 17063377..cf8d59bd 100644
--- a/config/config_test.yml
+++ b/config/config_test.yml
@@ -11,10 +11,11 @@ framework:
 
 doctrine:
     dbal:
-        driver: 'pdo_sqlite'
-        memory: true
+        driver: 'pdo_mysql'
+        host: '%database_host%'
+        port: '%database_port%'
+        dbname: 'phplist'
+        user: '%database_user%'
+        password: '%database_password%'
         charset: UTF8
-#    orm:
-#        entity_managers:
-#            default:
-#                report_fields_where_declared: true
+
diff --git a/src/Domain/Analytics/Model/LinkTrackForward.php b/src/Domain/Analytics/Model/LinkTrackForward.php
index 0dcf7d55..17049dfc 100644
--- a/src/Domain/Analytics/Model/LinkTrackForward.php
+++ b/src/Domain/Analytics/Model/LinkTrackForward.php
@@ -21,7 +21,9 @@ class LinkTrackForward implements DomainModel, Identity
     #[ORM\GeneratedValue]
     private ?int $id = null;
 
-    #[ORM\Column(type: 'string', length: 2083, nullable: true)]
+    // Defined as string(255) due to MySQL limitation (actual max URL length is 2083):
+    // TEXT can't be indexed without a prefix, which Doctrine doesn't support.
+    #[ORM\Column(type: 'string', length: 255, nullable: true)]
     private ?string $url = null;
 
     #[ORM\Column(name: 'urlhash', type: 'string', length: 32, nullable: true)]
diff --git a/src/Domain/Configuration/Model/I18n.php b/src/Domain/Configuration/Model/I18n.php
index 131114de..bffed897 100644
--- a/src/Domain/Configuration/Model/I18n.php
+++ b/src/Domain/Configuration/Model/I18n.php
@@ -18,8 +18,10 @@ class I18n implements DomainModel
     #[ORM\Column(type: 'string', length: 10)]
     private string $lan;
 
+    // Defined as string with length due to MySQL limitation:
+    // TEXT columns can't be indexed without a prefix length, which Doctrine doesn't support.
     #[ORM\Id]
-    #[ORM\Column(type: 'text')]
+    #[ORM\Column(type: 'string', length: 255)]
     private string $original;
 
     #[ORM\Column(type: 'text')]
diff --git a/src/Domain/Configuration/Model/UrlCache.php b/src/Domain/Configuration/Model/UrlCache.php
index 244faede..5d460104 100644
--- a/src/Domain/Configuration/Model/UrlCache.php
+++ b/src/Domain/Configuration/Model/UrlCache.php
@@ -20,7 +20,9 @@ class UrlCache implements DomainModel, Identity
     #[ORM\GeneratedValue]
     private ?int $id = null;
 
-    #[ORM\Column(name: 'url', type: 'string', length: 2083)]
+    // Defined as string(255) due to MySQL limitation (actual max URL length is 2083):
+    // TEXT can't be indexed without a prefix, which Doctrine doesn't support.
+    #[ORM\Column(name: 'url', type: 'string', length: 255)]
     private string $url;
 
     #[ORM\Column(name: 'lastmodified', type: 'integer', nullable: true)]
diff --git a/src/TestingSupport/Traits/DatabaseTestTrait.php b/src/TestingSupport/Traits/DatabaseTestTrait.php
index 8ed4258a..c94111e4 100644
--- a/src/TestingSupport/Traits/DatabaseTestTrait.php
+++ b/src/TestingSupport/Traits/DatabaseTestTrait.php
@@ -83,18 +83,17 @@ protected function loadSchema(): void
         $schemaTool = new SchemaTool($this->entityManager);
         $metadata = $this->entityManager->getMetadataFactory()->getAllMetadata();
 
-        $connection = $this->entityManager->getConnection();
-        $schemaManager = $connection->createSchemaManager();
+        try {
+            $schemaTool->createSchema($metadata);
+        } catch (ToolsException $e) {
+            $connection = $this->entityManager->getConnection();
+            $schemaManager = $connection->createSchemaManager();
 
-        foreach ($metadata as $classMetadata) {
-            $tableName = $classMetadata->getTableName();
+            foreach ($metadata as $classMetadata) {
+                $tableName = $classMetadata->getTableName();
 
-            if (!$schemaManager->tablesExist([$tableName])) {
-                try {
+                if (!$schemaManager->tablesExist([$tableName])) {
                     $schemaTool->createSchema([$classMetadata]);
-                } catch (ToolsException $e) {
-                    // nothing to do
-                    echo $e->getMessage();
                 }
             }
         }
diff --git a/tests/Integration/Domain/Identity/Repository/AdministratorRepositoryTest.php b/tests/Integration/Domain/Identity/Repository/AdministratorRepositoryTest.php
index 2732f736..25ecf0f8 100644
--- a/tests/Integration/Domain/Identity/Repository/AdministratorRepositoryTest.php
+++ b/tests/Integration/Domain/Identity/Repository/AdministratorRepositoryTest.php
@@ -43,7 +43,7 @@ protected function tearDown(): void
     public function testFindReadsModelFromDatabase(): void
     {
         /** @var Administrator $actual */
-        $actual = $this->repository->find(1);
+        $actual = $this->repository->findOneBy(['email' => 'john@example.com']);
 
         $this->assertNotNull($actual);
         $this->assertFalse($actual->isDisabled());