diff --git a/tests/test_framework/phpbb_ui_test_case.php b/tests/test_framework/phpbb_ui_test_case.php
index e3f636679c..b875d3212b 100644
--- a/tests/test_framework/phpbb_ui_test_case.php
+++ b/tests/test_framework/phpbb_ui_test_case.php
@@ -78,14 +78,11 @@ class phpbb_ui_test_case extends phpbb_test_case
 			self::markTestSkipped('phpbb_functional_url was not set in test_config and wasn\'t set as PHPBB_FUNCTIONAL_URL environment variable either.');
 		}
 
-		if (!self::$webDriver)
-		{
-			try {
-				$capabilities = DesiredCapabilities::firefox();
-				self::$webDriver = RemoteWebDriver::create(self::$host . ':' . self::$port, $capabilities);
-			} catch (WebDriverCurlException $e) {
-				self::markTestSkipped('PhantomJS webserver is not running.');
-			}
+		try {
+			$capabilities = DesiredCapabilities::firefox();
+			self::$webDriver = RemoteWebDriver::create(self::$host . ':' . self::$port, $capabilities);
+		} catch (WebDriverCurlException $e) {
+			self::markTestSkipped('PhantomJS webserver is not running.');
 		}
 
 		if (!self::$already_installed)
@@ -146,9 +143,14 @@ class phpbb_ui_test_case extends phpbb_test_case
 		}
 	}
 
-	static public function visit($path)
+	public function getDriver()
 	{
-		self::$webDriver->get(self::$root_url . $path);
+		return self::$webDriver;
+	}
+
+	public function visit($path)
+	{
+		$this->getDriver()->get(self::$root_url . $path);
 	}
 
 	static protected function recreate_database($config)
@@ -157,14 +159,14 @@ class phpbb_ui_test_case extends phpbb_test_case
 		$db_conn_mgr->recreate_db();
 	}
 
-	static public function find_element($type, $value)
+	public function find_element($type, $value)
 	{
-		return self::$webDriver->findElement(WebDriverBy::$type($value));
+		return $this->getDriver()->findElement(WebDriverBy::$type($value));
 	}
 
-	static public function submit($type = 'id', $value = 'submit')
+	public function submit($type = 'id', $value = 'submit')
 	{
-		$element = self::find_element($type, $value);
+		$element = $this->find_element($type, $value);
 		$element->click();
 	}
 
@@ -305,21 +307,21 @@ class phpbb_ui_test_case extends phpbb_test_case
 		$ext_path = str_replace('/', '%2F', $extension);
 
 		$this->visit('adm/index.php?i=acp_extensions&mode=main&action=enable_pre&ext_name=' . $ext_path . '&sid=' . $this->sid);
-		$this->assertNotEmpty(count(self::find_element('cssSelector', '.submit-buttons')));
+		$this->assertNotEmpty(count($this->find_element('cssSelector', '.submit-buttons')));
 
-		self::find_element('cssSelector', "input[value='Enable']")->submit();
+		$this->find_element('cssSelector', "input[value='Enable']")->submit();
 		$this->add_lang('acp/extensions');
 
 		try
 		{
-			$meta_refresh = self::find_element('cssSelector', 'meta[http-equiv="refresh"]');
+			$meta_refresh = $this->find_element('cssSelector', 'meta[http-equiv="refresh"]');
 
 			// Wait for extension to be fully enabled
 			while (sizeof($meta_refresh))
 			{
 				preg_match('#url=.+/(adm+.+)#', $meta_refresh->getAttribute('content'), $match);
-				self::$webDriver->execute(array('method' => 'post', 'url' => $match[1]));
-				$meta_refresh = self::find_element('cssSelector', 'meta[http-equiv="refresh"]');
+				$this->getDriver()->execute(array('method' => 'post', 'url' => $match[1]));
+				$meta_refresh = $this->find_element('cssSelector', 'meta[http-equiv="refresh"]');
 			}
 		}
 		catch (\Facebook\WebDriver\Exception\NoSuchElementException $e)
@@ -327,7 +329,7 @@ class phpbb_ui_test_case extends phpbb_test_case
 			// Probably no refresh triggered
 		}
 
-		$this->assertContainsLang('EXTENSION_ENABLE_SUCCESS', self::find_element('cssSelector', 'div.successbox')->getText());
+		$this->assertContainsLang('EXTENSION_ENABLE_SUCCESS', $this->find_element('cssSelector', 'div.successbox')->getText());
 
 		$this->logout();
 	}
@@ -415,7 +417,7 @@ class phpbb_ui_test_case extends phpbb_test_case
 		}
 
 		$this->visit('ucp.php?sid=' . $this->sid . '&mode=logout');
-		$this->assertContains($this->lang('REGISTER'), self::$webDriver->getPageSource());
+		$this->assertContains($this->lang('REGISTER'), $this->getDriver()->getPageSource());
 		unset($this->sid);
 
 	}
@@ -435,17 +437,17 @@ class phpbb_ui_test_case extends phpbb_test_case
 			return;
 		}
 
-		self::$webDriver->manage()->deleteAllCookies();
+		$this->getDriver()->manage()->deleteAllCookies();
 
 		$this->visit('adm/index.php?sid=' . $this->sid);
-		$this->assertContains($this->lang('LOGIN_ADMIN_CONFIRM'), self::$webDriver->getPageSource());
+		$this->assertContains($this->lang('LOGIN_ADMIN_CONFIRM'), $this->getDriver()->getPageSource());
 
-		self::find_element('cssSelector', 'input[name=username]')->clear()->sendKeys($username);
-		self::find_element('cssSelector', 'input[type=password]')->sendKeys($username . $username);
-		self::find_element('cssSelector', 'input[name=login]')->click();
+		$this->find_element('cssSelector', 'input[name=username]')->clear()->sendKeys($username);
+		$this->find_element('cssSelector', 'input[type=password]')->sendKeys($username . $username);
+		$this->find_element('cssSelector', 'input[name=login]')->click();
 		$this->assertContains($this->lang('ADMIN_PANEL'), $this->find_element('cssSelector', 'h1')->getText());
 
-		$cookies = self::$webDriver->manage()->getCookies();
+		$cookies = $this->getDriver()->manage()->getCookies();
 
 		// The session id is stored in a cookie that ends with _sid - we assume there is only one such cookie
 		foreach ($cookies as $cookie)
@@ -550,19 +552,19 @@ class phpbb_ui_test_case extends phpbb_test_case
 	{
 		$this->add_lang('ucp');
 
-		self::$webDriver->manage()->deleteAllCookies();
+		$this->getDriver()->manage()->deleteAllCookies();
 
 		$this->visit('ucp.php');
-		$this->assertContains($this->lang('LOGIN_EXPLAIN_UCP'), self::$webDriver->getPageSource());
+		$this->assertContains($this->lang('LOGIN_EXPLAIN_UCP'), $this->getDriver()->getPageSource());
 
-		self::$webDriver->manage()->deleteAllCookies();
+		$this->getDriver()->manage()->deleteAllCookies();
 
-		self::find_element('cssSelector', 'input[name=username]')->sendKeys($username);
-		self::find_element('cssSelector', 'input[name=password]')->sendKeys($username . $username);
-		self::find_element('cssSelector', 'input[name=login]')->click();
+		$this->find_element('cssSelector', 'input[name=username]')->sendKeys($username);
+		$this->find_element('cssSelector', 'input[name=password]')->sendKeys($username . $username);
+		$this->find_element('cssSelector', 'input[name=login]')->click();
 		$this->assertNotContains($this->lang('LOGIN'), $this->find_element('className', 'navbar')->getText());
 
-		$cookies = self::$webDriver->manage()->getCookies();
+		$cookies = $this->getDriver()->manage()->getCookies();
 
 		// The session id is stored in a cookie that ends with _sid - we assume there is only one such cookie
 		foreach ($cookies as $cookie)
@@ -586,6 +588,6 @@ class phpbb_ui_test_case extends phpbb_test_case
 		// Change the Path to your own settings
 		$screenshot = time() . ".png";
 
-		self::$webDriver->takeScreenshot($screenshot);
+		$this->getDriver()->takeScreenshot($screenshot);
 	}
 }
diff --git a/tests/ui/permission_roles_test.php b/tests/ui/permission_roles_test.php
index 3501124fc1..de54cc788d 100644
--- a/tests/ui/permission_roles_test.php
+++ b/tests/ui/permission_roles_test.php
@@ -25,19 +25,19 @@ class ui_permission_roles_test extends phpbb_ui_test_case
 		$this->visit('adm/index.php?i=acp_permissions&mode=setting_forum_local&sid=' . $this->sid);
 
 		// Select forums
-		$elements = self::find_element('cssSelector', 'select#forum')
+		$elements = $this->find_element('cssSelector', 'select#forum')
 			->findElements(\Facebook\WebDriver\WebDriverBy::tagName('option'));
 
 		foreach ($elements as $element)
 		{
 			$element->click();
 		}
-		self::find_element('cssSelector', 'form#select_victim')
+		$this->find_element('cssSelector', 'form#select_victim')
 			->findElement(\Facebook\WebDriver\WebDriverBy::cssSelector('input[type=submit]'))
 			->click();
 
 		// Select administrators and guests
-		$groups_form = self::find_element('cssSelector', 'form#groups');
+		$groups_form = $this->find_element('cssSelector', 'form#groups');
 		$elements = $groups_form
 			->findElement(\Facebook\WebDriver\WebDriverBy::cssSelector('select'))
 			->findElements(\Facebook\WebDriver\WebDriverBy::tagName('option'));
@@ -51,7 +51,7 @@ class ui_permission_roles_test extends phpbb_ui_test_case
 		}
 		$groups_form->findElement(\Facebook\WebDriver\WebDriverBy::cssSelector('input[name=submit_edit_options]'))->click();
 
-		$first_fieldset = self::find_element('cssSelector', '#perm11');
+		$first_fieldset = $this->find_element('cssSelector', '#perm11');
 		$this->assertEquals('none', $first_fieldset->findElement(\Facebook\WebDriver\WebDriverBy::cssSelector('div.dropdown'))->getCSSValue('display'));
 		$first_fieldset
 			->findElement(\Facebook\WebDriver\WebDriverBy::cssSelector('span.dropdown-toggle'))
@@ -74,14 +74,14 @@ class ui_permission_roles_test extends phpbb_ui_test_case
 		$this->assertEquals($this->lang('ROLE_FORUM_LIMITED'), $first_fieldset->findElement(\Facebook\WebDriver\WebDriverBy::cssSelector('span.dropdown-toggle'))->getText());
 
 		// Check that admin settings didn't get changed
-		$second_fieldset = self::find_element('cssSelector', '#perm10');
+		$second_fieldset = $this->find_element('cssSelector', '#perm10');
 		$this->assertEquals('none', $second_fieldset->findElement(\Facebook\WebDriver\WebDriverBy::cssSelector('div.dropdown'))->getCSSValue('display'));
 		// Full access = 14
 		$this->assertEquals(14, $second_fieldset->findElement(\Facebook\WebDriver\WebDriverBy::cssSelector('input[type=hidden]'))->getAttribute('value'));
 		$this->assertEquals($this->lang('ROLE_FORUM_FULL'), $second_fieldset->findElement(\Facebook\WebDriver\WebDriverBy::cssSelector('span.dropdown-toggle'))->getText());
 
 		// Check that category settings were not modified
-		$category_fieldset = self::find_element('cssSelector', '#perm00');
+		$category_fieldset = $this->find_element('cssSelector', '#perm00');
 		$this->assertEquals('none', $category_fieldset->findElement(\Facebook\WebDriver\WebDriverBy::cssSelector('div.dropdown'))->getCSSValue('display'));
 		// No settings
 		$this->assertEquals('', $category_fieldset->findElement(\Facebook\WebDriver\WebDriverBy::cssSelector('input[type=hidden]'))->getAttribute('value'));
diff --git a/tests/ui/quick_links_test.php b/tests/ui/quick_links_test.php
index 582aeafcae..171ef3ca53 100644
--- a/tests/ui/quick_links_test.php
+++ b/tests/ui/quick_links_test.php
@@ -19,8 +19,8 @@ class quick_links_test extends phpbb_ui_test_case
 	public function test_quick_links()
 	{
 		$this->visit('index.php');
-		$this->assertEmpty(self::find_element('className', 'dropdown')->getText());
-		self::find_element('className', 'dropdown-toggle')->click();
-		$this->assertNotNull(self::find_element('className', 'dropdown')->getText());
+		$this->assertEmpty($this->find_element('className', 'dropdown')->getText());
+		$this->find_element('className', 'dropdown-toggle')->click();
+		$this->assertNotNull($this->find_element('className', 'dropdown')->getText());
 	}
 }