Update to PHPUnit 8.5 (#15581)

* use latest phpunit/phpunit ~8.5

* submodule updates

* fixes

1 files changed, 3 insertions, 3 deletions

diff --git a/tests/PHPUnit/Integration/DbHelperTest.php b/tests/PHPUnit/Integration/DbHelperTest.php
index d9f60418f0..523f197cde 100644
--- a/tests/PHPUnit/Integration/DbHelperTest.php
+++ b/tests/PHPUnit/Integration/DbHelperTest.php
@@ -16,7 +16,7 @@ use Piwik\Version;
 
 class DbHelperTest extends IntegrationTestCase
 {
-    public function setUp()
+    public function setUp(): void
     {
         parent::setUp();
 
@@ -93,14 +93,14 @@ class DbHelperTest extends IntegrationTestCase
     {
         $dbs = Db::fetchAll("SHOW DATABASES");
         $dbs = array_column($dbs, 'Database');
-        $this->assertContains($this->cleanName($dbName), $dbs);
+        self::assertTrue(in_array($this->cleanName($dbName), $dbs));
     }
 
     private function assertDbNotExists($dbName)
     {
         $dbs = Db::fetchAll("SHOW DATABASES");
         $dbs = array_column($dbs, 'Database');
-        $this->assertNotContains($this->cleanName($dbName), $dbs);
+        self::assertTrue(!in_array($this->cleanName($dbName), $dbs));
     }
 
     private function cleanName($dbName)