diff --git a/tests/src/Kernel/Form/SplitTermTest.php b/tests/src/Kernel/Form/SplitTermTest.php
index 2396074..6e0a55d 100644
--- a/tests/src/Kernel/Form/SplitTermTest.php
+++ b/tests/src/Kernel/Form/SplitTermTest.php
@@ -9,6 +9,11 @@ use Drupal\term_split\Form\SplitTerm;
 use Drupal\Tests\term_split\Kernel\TermSplitTestBase;
 use Drupal\Tests\term_split\Kernel\TestDoubles\TermSplitterSpy;
 
+/**
+ * Tests Term Split form generation.
+ *
+ * @group term_split
+ */
 class SplitTermTest extends TermSplitTestBase {
 
   /**
@@ -161,7 +166,7 @@ class SplitTermTest extends TermSplitTestBase {
   /**
    * @param $expected
    */
-  private function assertBuiltForm($expected): void {
+  private function assertBuiltForm($expected) {
     $sut = SplitTerm::create($this->container);
     $form = [];
     $formState = new FormState();
diff --git a/tests/src/Kernel/TermSplitTestBase.php b/tests/src/Kernel/TermSplitTestBase.php
index 4c6fc9f..cd76490 100644
--- a/tests/src/Kernel/TermSplitTestBase.php
+++ b/tests/src/Kernel/TermSplitTestBase.php
@@ -91,7 +91,7 @@ class TermSplitTestBase extends KernelTestBase {
     $this->createEntityReferenceField($entityType, $bundle, $fieldName, $fieldLabel, $targetEntityType);
   }
 
-  protected function setUpPrivateTempStore(): void {
+  protected function setUpPrivateTempStore() {
     $accountProxy = new AccountProxy();
     $account = self::getMock(AccountInterface::class);
     $account->method('id')->willReturn(24);
diff --git a/tests/src/Kernel/TermSplitterTest.php b/tests/src/Kernel/TermSplitterTest.php
index de04df1..74d3d4f 100644
--- a/tests/src/Kernel/TermSplitterTest.php
+++ b/tests/src/Kernel/TermSplitterTest.php
@@ -4,6 +4,11 @@ namespace Drupal\Tests\term_split\Kernel;
 
 use Drupal\term_split\TermSplitter;
 
+/**
+ * Tests splitting a term into multiple terms.
+ *
+ * @group term_split
+ */
 class TermSplitterTest extends TermSplitTestBase {