3 files changed, 6 insertions, 5 deletions
diff --git a/tests/installer/database_helper_test.php b/tests/installer/database_helper_test.php
index ed355884f6..9ffdad3e03 100644
--- a/tests/installer/database_helper_test.php
+++ b/tests/installer/database_helper_test.php
@@ -18,7 +18,7 @@ class phpbb_installer_database_helper_test extends phpbb_test_case
 	 */
 	private $database_helper;
 
-	public function setUp()
+	public function setUp(): void
 	{
 		$filesystem = new \phpbb\filesystem\filesystem();
 		$phpbb_root_path = '';
diff --git a/tests/installer/installer_config_test.php b/tests/installer/installer_config_test.php
index 13ac325a79..6fa8248b68 100644
--- a/tests/installer/installer_config_test.php
+++ b/tests/installer/installer_config_test.php
@@ -20,11 +20,12 @@ class phpbb_installer_config_test extends phpbb_test_case
 	 */
 	private $config;
 
-	public function setUp()
+	public function setUp(): void
 	{
 		$phpbb_root_path = __DIR__ . './../../phpBB/';
-		$filesystem = $this->getMock('\phpbb\filesystem\filesystem');
+		$filesystem = $this->createMock('\phpbb\filesystem\filesystem');
 		$php_ini = $this->getMockBuilder('\bantu\IniGetWrapper\IniGetWrapper')
+			->setMethods(array('getInt', 'getBytes'))
 			->getMock();
 		$php_ini->method('getInt')
 			->willReturn(-1);
diff --git a/tests/installer/module_base_test.php b/tests/installer/module_base_test.php
index 9578010047..887d29f4c6 100644
--- a/tests/installer/module_base_test.php
+++ b/tests/installer/module_base_test.php
@@ -26,7 +26,7 @@ class module_base_test extends phpbb_test_case
 	 */
 	protected $container;
 
-	public function setUp()
+	public function setUp(): void
 	{
 		// DI container mock
 		$this->container = new phpbb_mock_container_builder();
@@ -42,7 +42,7 @@ class module_base_test extends phpbb_test_case
 
 		$this->module = new test_installer_module($module_collection, true, false);
 
-		$iohandler = $this->getMock('\phpbb\install\helper\iohandler\iohandler_interface');
+		$iohandler = $this->createMock('\phpbb\install\helper\iohandler\iohandler_interface');
 		$config = new \phpbb\install\helper\config(new \phpbb\filesystem\filesystem(), new \bantu\IniGetWrapper\IniGetWrapper(), '', 'php');
 		$this->module->setup($config, $iohandler);
 	}