diff --git a/.travis.yml b/.travis.yml
index 04c2d130..d4a8f1de 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,9 +9,16 @@ php:
   - 7.4
 before_script:
   - composer self-update
+install:
   - composer install
 script:
   - ./vendor/bin/phpunit --coverage-clover=coverage.clover
 after_script:
   - wget https://scrutinizer-ci.com/ocular.phar
   - php ocular.phar code-coverage:upload --format=php-clover coverage.clover
+jobs:
+  include:
+    - stage: Test
+      name: PHP 8
+      php: nightly
+      install: composer install --ignore-platform-reqs
diff --git a/tests/ExtendedPdoTest.php b/tests/ExtendedPdoTest.php
index 343ccb67..13ab8bf0 100644
--- a/tests/ExtendedPdoTest.php
+++ b/tests/ExtendedPdoTest.php
@@ -508,15 +508,6 @@ public function testTransactions()
 
         $actual = $this->pdo->fetchAll("SELECT * FROM pdotest");
         $this->assertSame(11, count($actual));
-
-        return $rollBackResult;
-    }
-
-    /**
-     * @depends testTransactions
-     */
-    public function testRollBack($rollBackResult)
-    {
         $this->assertTrue($rollBackResult);
     }