diff --git a/modules/dsr_dashboard/tests/src/Functional/LoadTest.php b/modules/dsr_dashboard/tests/src/Functional/LoadTest.php
index ad736537419ab0ee14afd807b2efd7bf06d7639a..e611eede5297ab166f9749a6a3aa18a84c0fa1cd 100644
--- a/modules/dsr_dashboard/tests/src/Functional/LoadTest.php
+++ b/modules/dsr_dashboard/tests/src/Functional/LoadTest.php
@@ -24,7 +24,7 @@ class LoadTest extends BrowserTestBase {
    *
    * @var array
    */
-  public static $modules = ['dsr_dashboard'];
+  protected static $modules = ['dsr_dashboard'];
 
   /**
    * A user with permission to administer site configuration.
@@ -36,7 +36,7 @@ class LoadTest extends BrowserTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp() {
+  protected function setUp(): void {
     parent::setUp();
     $this->user = $this->drupalCreateUser(['administer site configuration']);
     $this->drupalLogin($this->user);
diff --git a/modules/dsr_deposito/tests/src/Functional/LoadTest.php b/modules/dsr_deposito/tests/src/Functional/LoadTest.php
index a9343974a2c495f9890a7db0fc869a20c079c00c..7225453c01dffbfae193091f791366f52251577d 100644
--- a/modules/dsr_deposito/tests/src/Functional/LoadTest.php
+++ b/modules/dsr_deposito/tests/src/Functional/LoadTest.php
@@ -24,7 +24,7 @@ class LoadTest extends BrowserTestBase {
    *
    * @var array
    */
-  public static $modules = ['dsr_deposito'];
+  protected static $modules = ['dsr_deposito'];
 
   /**
    * A user with permission to administer site configuration.
@@ -36,7 +36,7 @@ class LoadTest extends BrowserTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp() {
+  protected function setUp(): void {
     parent::setUp();
     $this->user = $this->drupalCreateUser(['administer site configuration']);
     $this->drupalLogin($this->user);
diff --git a/modules/dsr_deposito/tests/src/Kernel/DepositoTest.php b/modules/dsr_deposito/tests/src/Kernel/DepositoTest.php
index 93eceb5413961da1436c3d5ccc08b79abccb67d5..fc52dfc3ccfc41ad84e9087df4a28aaf320f64fc 100644
--- a/modules/dsr_deposito/tests/src/Kernel/DepositoTest.php
+++ b/modules/dsr_deposito/tests/src/Kernel/DepositoTest.php
@@ -29,7 +29,7 @@ class DepositoTest extends KernelTestBase {
    *
    * @var array
    */
-  public static $modules = [
+  protected static $modules = [
     'system',
     'user',
     'file',
@@ -55,7 +55,7 @@ class DepositoTest extends KernelTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp() {
+  protected function setUp(): void {
     parent::setUp();
     $this->traitSetUp();
     $this->installEntitySchema('accounting_account');
diff --git a/modules/dsr_gift_certificates/tests/src/Functional/LoadTest.php b/modules/dsr_gift_certificates/tests/src/Functional/LoadTest.php
index b0b48e5e5a202c1d4c667aea1ef61d68c69fa28b..d6dc92e5e94e41d42fc9c8316a16128b2dd5fd0e 100644
--- a/modules/dsr_gift_certificates/tests/src/Functional/LoadTest.php
+++ b/modules/dsr_gift_certificates/tests/src/Functional/LoadTest.php
@@ -24,7 +24,7 @@ class LoadTest extends BrowserTestBase {
    *
    * @var array
    */
-  public static $modules = ['dsr_gift_certificates'];
+  protected static $modules = ['dsr_gift_certificates'];
 
   /**
    * A user with permission to administer site configuration.
@@ -36,7 +36,7 @@ class LoadTest extends BrowserTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp() {
+  protected function setUp(): void {
     parent::setUp();
     $this->user = $this->drupalCreateUser(['administer site configuration']);
     $this->drupalLogin($this->user);
diff --git a/modules/dsr_sign_up_form/tests/src/Functional/LoadTest.php b/modules/dsr_sign_up_form/tests/src/Functional/LoadTest.php
index 27cb0ec7dc847d42ae26892f4a1267a1f7a466a0..d8972c3f27b7940fff0f62373f9d2a8e5a63e6a6 100644
--- a/modules/dsr_sign_up_form/tests/src/Functional/LoadTest.php
+++ b/modules/dsr_sign_up_form/tests/src/Functional/LoadTest.php
@@ -24,7 +24,7 @@ class LoadTest extends BrowserTestBase {
    *
    * @var array
    */
-  public static $modules = [
+  protected static $modules = [
     'webform',
     'dsr_sign_up_form',
   ];
@@ -39,7 +39,7 @@ class LoadTest extends BrowserTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp() {
+  protected function setUp(): void {
     parent::setUp();
     $this->user = $this->drupalCreateUser(['administer site configuration']);
     $this->drupalLogin($this->user);
diff --git a/modules/dsr_ui/tests/src/Functional/LoadTest.php b/modules/dsr_ui/tests/src/Functional/LoadTest.php
index 3200fef18e89079531a47a37171d4dec1e43d93c..456cea23e33ccd58999cc7d104d09c8c1598ec10 100644
--- a/modules/dsr_ui/tests/src/Functional/LoadTest.php
+++ b/modules/dsr_ui/tests/src/Functional/LoadTest.php
@@ -24,7 +24,7 @@ class LoadTest extends BrowserTestBase {
    *
    * @var array
    */
-  public static $modules = ['dsr_ui'];
+  protected static $modules = ['dsr_ui'];
 
   /**
    * A user with permission to administer site configuration.
@@ -36,7 +36,7 @@ class LoadTest extends BrowserTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp() {
+  protected function setUp(): void {
     parent::setUp();
     $this->user = $this->drupalCreateUser(['administer site configuration']);
     $this->drupalLogin($this->user);
diff --git a/tests/src/Functional/LoadTest.php b/tests/src/Functional/LoadTest.php
index 1e670aeee21a460cd02fbb21c5e4a623be7ba8e7..ab0e5bce97079ad8e9dc814a3f0b21084136c710 100644
--- a/tests/src/Functional/LoadTest.php
+++ b/tests/src/Functional/LoadTest.php
@@ -24,7 +24,7 @@ class LoadTest extends BrowserTestBase {
    *
    * @var array
    */
-  public static $modules = ['dsr'];
+  protected static $modules = ['dsr'];
 
   /**
    * A user with permission to administer site configuration.
@@ -36,7 +36,7 @@ class LoadTest extends BrowserTestBase {
   /**
    * {@inheritdoc}
    */
-  protected function setUp() {
+  protected function setUp(): void {
     parent::setUp();
     $this->user = $this->drupalCreateUser(['administer site configuration']);
     $this->drupalLogin($this->user);