diff --git a/tests/Integration/Database/MySql/DatabaseEloquentMySqlIntegrationTest.php b/tests/Integration/Database/MySql/DatabaseEloquentMySqlIntegrationTest.php
index f7eaccdb274b..2df663e3b86d 100644
--- a/tests/Integration/Database/MySql/DatabaseEloquentMySqlIntegrationTest.php
+++ b/tests/Integration/Database/MySql/DatabaseEloquentMySqlIntegrationTest.php
@@ -4,11 +4,15 @@
 
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Schema;
+use Illuminate\Tests\Integration\Database\WithEloquentIntegrationTests;
 
 class DatabaseEloquentMySqlIntegrationTest extends MySqlTestCase
 {
+    use WithEloquentIntegrationTests;
+
+    protected $eloquentModelClass = DatabaseEloquentMySqlIntegrationUser::class;
+
     protected function defineDatabaseMigrationsAfterDatabaseRefreshed()
     {
         if (! Schema::hasTable('database_eloquent_mysql_integration_users')) {
@@ -25,55 +29,6 @@ protected function destroyDatabaseMigrations()
     {
         Schema::drop('database_eloquent_mysql_integration_users');
     }
-
-    public function testCreateOrFirst()
-    {
-        $user1 = DatabaseEloquentMySqlIntegrationUser::createOrFirst(['email' => 'taylorotwell@gmail.com']);
-
-        $this->assertSame('taylorotwell@gmail.com', $user1->email);
-        $this->assertNull($user1->name);
-
-        $user2 = DatabaseEloquentMySqlIntegrationUser::createOrFirst(
-            ['email' => 'taylorotwell@gmail.com'],
-            ['name' => 'Taylor Otwell']
-        );
-
-        $this->assertEquals($user1->id, $user2->id);
-        $this->assertSame('taylorotwell@gmail.com', $user2->email);
-        $this->assertNull($user2->name);
-
-        $user3 = DatabaseEloquentMySqlIntegrationUser::createOrFirst(
-            ['email' => 'abigailotwell@gmail.com'],
-            ['name' => 'Abigail Otwell']
-        );
-
-        $this->assertNotEquals($user3->id, $user1->id);
-        $this->assertSame('abigailotwell@gmail.com', $user3->email);
-        $this->assertSame('Abigail Otwell', $user3->name);
-
-        $user4 = DatabaseEloquentMySqlIntegrationUser::createOrFirst(
-            ['name' => 'Dries Vints'],
-            ['name' => 'Nuno Maduro', 'email' => 'nuno@laravel.com']
-        );
-
-        $this->assertSame('Nuno Maduro', $user4->name);
-    }
-
-    public function testCreateOrFirstWithinTransaction()
-    {
-        $user1 = DatabaseEloquentMySqlIntegrationUser::createOrFirst(['email' => 'taylor@laravel.com']);
-
-        DB::transaction(function () use ($user1) {
-            $user2 = DatabaseEloquentMySqlIntegrationUser::createOrFirst(
-                ['email' => 'taylor@laravel.com'],
-                ['name' => 'Taylor Otwell']
-            );
-
-            $this->assertEquals($user1->id, $user2->id);
-            $this->assertSame('taylor@laravel.com', $user2->email);
-            $this->assertNull($user2->name);
-        });
-    }
 }
 
 class DatabaseEloquentMySqlIntegrationUser extends Model
diff --git a/tests/Integration/Database/Postgres/DatabaseEloquentPostgresIntegrationTest.php b/tests/Integration/Database/Postgres/DatabaseEloquentPostgresIntegrationTest.php
index d95dca61a0cb..2470dc6c822f 100644
--- a/tests/Integration/Database/Postgres/DatabaseEloquentPostgresIntegrationTest.php
+++ b/tests/Integration/Database/Postgres/DatabaseEloquentPostgresIntegrationTest.php
@@ -4,11 +4,15 @@
 
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Schema;
+use Illuminate\Tests\Integration\Database\WithEloquentIntegrationTests;
 
 class DatabaseEloquentPostgresIntegrationTest extends PostgresTestCase
 {
+    use WithEloquentIntegrationTests;
+
+    protected $eloquentModelClass = DatabaseEloquentPostgresIntegrationUser::class;
+
     protected function defineDatabaseMigrationsAfterDatabaseRefreshed()
     {
         if (! Schema::hasTable('database_eloquent_postgres_integration_users')) {
@@ -25,55 +29,6 @@ protected function destroyDatabaseMigrations()
     {
         Schema::drop('database_eloquent_postgres_integration_users');
     }
-
-    public function testCreateOrFirst()
-    {
-        $user1 = DatabaseEloquentPostgresIntegrationUser::createOrFirst(['email' => 'taylorotwell@gmail.com']);
-
-        $this->assertSame('taylorotwell@gmail.com', $user1->email);
-        $this->assertNull($user1->name);
-
-        $user2 = DatabaseEloquentPostgresIntegrationUser::createOrFirst(
-            ['email' => 'taylorotwell@gmail.com'],
-            ['name' => 'Taylor Otwell']
-        );
-
-        $this->assertEquals($user1->id, $user2->id);
-        $this->assertSame('taylorotwell@gmail.com', $user2->email);
-        $this->assertNull($user2->name);
-
-        $user3 = DatabaseEloquentPostgresIntegrationUser::createOrFirst(
-            ['email' => 'abigailotwell@gmail.com'],
-            ['name' => 'Abigail Otwell']
-        );
-
-        $this->assertNotEquals($user3->id, $user1->id);
-        $this->assertSame('abigailotwell@gmail.com', $user3->email);
-        $this->assertSame('Abigail Otwell', $user3->name);
-
-        $user4 = DatabaseEloquentPostgresIntegrationUser::createOrFirst(
-            ['name' => 'Dries Vints'],
-            ['name' => 'Nuno Maduro', 'email' => 'nuno@laravel.com']
-        );
-
-        $this->assertSame('Nuno Maduro', $user4->name);
-    }
-
-    public function testCreateOrFirstWithinTransaction()
-    {
-        $user1 = DatabaseEloquentPostgresIntegrationUser::create(['email' => 'taylor@laravel.com']);
-
-        DB::transaction(function () use ($user1) {
-            $user2 = DatabaseEloquentPostgresIntegrationUser::createOrFirst(
-                ['email' => 'taylor@laravel.com'],
-                ['name' => 'Taylor Otwell']
-            );
-
-            $this->assertEquals($user1->id, $user2->id);
-            $this->assertSame('taylor@laravel.com', $user2->email);
-            $this->assertNull($user2->name);
-        });
-    }
 }
 
 class DatabaseEloquentPostgresIntegrationUser extends Model
diff --git a/tests/Integration/Database/SqlServer/DatabaseEloquentSqlServerIntegrationTest.php b/tests/Integration/Database/SqlServer/DatabaseEloquentSqlServerIntegrationTest.php
index 9098e6608c6c..694eca76e830 100644
--- a/tests/Integration/Database/SqlServer/DatabaseEloquentSqlServerIntegrationTest.php
+++ b/tests/Integration/Database/SqlServer/DatabaseEloquentSqlServerIntegrationTest.php
@@ -4,11 +4,15 @@
 
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Schema;
+use Illuminate\Tests\Integration\Database\WithEloquentIntegrationTests;
 
 class DatabaseEloquentSqlServerIntegrationTest extends SqlServerTestCase
 {
+    use WithEloquentIntegrationTests;
+
+    protected $eloquentModelClass = DatabaseEloquentSqlServerIntegrationUser::class;
+
     protected function defineDatabaseMigrationsAfterDatabaseRefreshed()
     {
         if (! Schema::hasTable('database_eloquent_sql_server_integration_users')) {
@@ -25,55 +29,6 @@ protected function destroyDatabaseMigrations()
     {
         Schema::drop('database_eloquent_sql_server_integration_users');
     }
-
-    public function testCreateOrFirst()
-    {
-        $user1 = DatabaseEloquentSqlServerIntegrationUser::createOrFirst(['email' => 'taylorotwell@gmail.com']);
-
-        $this->assertSame('taylorotwell@gmail.com', $user1->email);
-        $this->assertNull($user1->name);
-
-        $user2 = DatabaseEloquentSqlServerIntegrationUser::createOrFirst(
-            ['email' => 'taylorotwell@gmail.com'],
-            ['name' => 'Taylor Otwell']
-        );
-
-        $this->assertEquals($user1->id, $user2->id);
-        $this->assertSame('taylorotwell@gmail.com', $user2->email);
-        $this->assertNull($user2->name);
-
-        $user3 = DatabaseEloquentSqlServerIntegrationUser::createOrFirst(
-            ['email' => 'abigailotwell@gmail.com'],
-            ['name' => 'Abigail Otwell']
-        );
-
-        $this->assertNotEquals($user3->id, $user1->id);
-        $this->assertSame('abigailotwell@gmail.com', $user3->email);
-        $this->assertSame('Abigail Otwell', $user3->name);
-
-        $user4 = DatabaseEloquentSqlServerIntegrationUser::createOrFirst(
-            ['name' => 'Dries Vints'],
-            ['name' => 'Nuno Maduro', 'email' => 'nuno@laravel.com']
-        );
-
-        $this->assertSame('Nuno Maduro', $user4->name);
-    }
-
-    public function testCreateOrFirstWithinTransaction()
-    {
-        $user1 = DatabaseEloquentSqlServerIntegrationUser::createOrFirst(['email' => 'taylor@laravel.com']);
-
-        DB::transaction(function () use ($user1) {
-            $user2 = DatabaseEloquentSqlServerIntegrationUser::createOrFirst(
-                ['email' => 'taylor@laravel.com'],
-                ['name' => 'Taylor Otwell']
-            );
-
-            $this->assertEquals($user1->id, $user2->id);
-            $this->assertSame('taylor@laravel.com', $user2->email);
-            $this->assertNull($user2->name);
-        });
-    }
 }
 
 class DatabaseEloquentSqlServerIntegrationUser extends Model
diff --git a/tests/Integration/Database/WithEloquentIntegrationTests.php b/tests/Integration/Database/WithEloquentIntegrationTests.php
new file mode 100644
index 000000000000..7ad66edd1557
--- /dev/null
+++ b/tests/Integration/Database/WithEloquentIntegrationTests.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace Illuminate\Tests\Integration\Database;
+
+use Illuminate\Support\Facades\DB;
+
+trait WithEloquentIntegrationTests
+{
+    public function testCreateOrFirst()
+    {
+        $user1 = $this->eloquentModelClass::createOrFirst(['email' => 'taylorotwell@gmail.com']);
+
+        $this->assertSame('taylorotwell@gmail.com', $user1->email);
+        $this->assertNull($user1->name);
+
+        $user2 = $this->eloquentModelClass::createOrFirst(
+            ['email' => 'taylorotwell@gmail.com'],
+            ['name' => 'Taylor Otwell']
+        );
+
+        $this->assertEquals($user1->id, $user2->id);
+        $this->assertSame('taylorotwell@gmail.com', $user2->email);
+        $this->assertNull($user2->name);
+
+        $user3 = $this->eloquentModelClass::createOrFirst(
+            ['email' => 'abigailotwell@gmail.com'],
+            ['name' => 'Abigail Otwell']
+        );
+
+        $this->assertNotEquals($user3->id, $user1->id);
+        $this->assertSame('abigailotwell@gmail.com', $user3->email);
+        $this->assertSame('Abigail Otwell', $user3->name);
+
+        $user4 = $this->eloquentModelClass::createOrFirst(
+            ['name' => 'Dries Vints'],
+            ['name' => 'Nuno Maduro', 'email' => 'nuno@laravel.com']
+        );
+
+        $this->assertSame('Nuno Maduro', $user4->name);
+    }
+
+    public function testCreateOrFirstWithinTransaction()
+    {
+        $user1 = $this->eloquentModelClass::createOrFirst(['email' => 'taylor@laravel.com']);
+
+        DB::transaction(function () use ($user1) {
+            $user2 = $this->eloquentModelClass::createOrFirst(
+                ['email' => 'taylor@laravel.com'],
+                ['name' => 'Taylor Otwell']
+            );
+
+            $this->assertEquals($user1->id, $user2->id);
+            $this->assertSame('taylor@laravel.com', $user2->email);
+            $this->assertNull($user2->name);
+        });
+    }
+}