diff --git a/Tests/Unit/Controller/TestimonialControllerTest.php b/Tests/Unit/Controller/TestimonialControllerTest.php
index 4004313..968e406 100644
--- a/Tests/Unit/Controller/TestimonialControllerTest.php
+++ b/Tests/Unit/Controller/TestimonialControllerTest.php
@@ -70,6 +70,7 @@ class TestimonialControllerTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCa
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function indexActionCanBeCalled() {
 		$this->subject->indexAction();
@@ -77,6 +78,7 @@ class TestimonialControllerTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCa
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function indexActionPassesAllTestimonialsAsTestimonialsToView() {
 		$allTestimonials = new ObjectStorage();
@@ -87,4 +89,4 @@ class TestimonialControllerTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCa
 
 		$this->subject->indexAction();
 	}
-}
\ No newline at end of file
+}
diff --git a/Tests/Unit/Domain/Model/AdditionTest.php b/Tests/Unit/Domain/Model/AdditionTest.php
index 7dcde51..96915bc 100644
--- a/Tests/Unit/Domain/Model/AdditionTest.php
+++ b/Tests/Unit/Domain/Model/AdditionTest.php
@@ -46,6 +46,7 @@ class AdditionTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function getTitleInitiallyReturnsEmptyString() {
 		$this->assertSame(
@@ -56,6 +57,7 @@ class AdditionTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function setTitleSetsTitle() {
 		$this->subject->setTitle('foo bar');
@@ -65,4 +67,4 @@ class AdditionTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 			$this->subject->getTitle()
 		);
 	}
-}
\ No newline at end of file
+}
diff --git a/Tests/Unit/Domain/Model/TeaBeverageTest.php b/Tests/Unit/Domain/Model/TeaBeverageTest.php
index f4dd1eb..80b79e9 100644
--- a/Tests/Unit/Domain/Model/TeaBeverageTest.php
+++ b/Tests/Unit/Domain/Model/TeaBeverageTest.php
@@ -46,6 +46,7 @@ class TeaBeverageTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function getSizeInitiallyReturnsZero() {
 		$this->assertSame(
@@ -56,6 +57,7 @@ class TeaBeverageTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function setSizeSetsSize() {
 		$this->subject->setSize(1234.56);
@@ -68,6 +70,7 @@ class TeaBeverageTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function getTypeInitiallyReturnsNull() {
 		$this->assertNull(
@@ -77,6 +80,7 @@ class TeaBeverageTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function setTypeSetsType() {
 		$type = new \OliverKlee\Tea\Domain\Model\TeaType();
@@ -90,6 +94,7 @@ class TeaBeverageTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function getAdditionsInitiallyReturnsEmptyStorage() {
 		$this->assertEquals(
@@ -100,6 +105,7 @@ class TeaBeverageTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function setAdditionsSetsAdditions() {
 		$items = new \TYPO3\CMS\Extbase\Persistence\ObjectStorage();
@@ -113,6 +119,7 @@ class TeaBeverageTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function addAdditionAddsAddition() {
 		$items = new \TYPO3\CMS\Extbase\Persistence\ObjectStorage();
@@ -128,6 +135,7 @@ class TeaBeverageTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function removeAdditionRemovesAddition() {
 		$items = new \TYPO3\CMS\Extbase\Persistence\ObjectStorage();
@@ -144,6 +152,7 @@ class TeaBeverageTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function getTestimonialsInitiallyReturnsEmptyStorage() {
 		$this->assertEquals(
@@ -154,6 +163,7 @@ class TeaBeverageTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function setTestimonialsSetsTestimonials() {
 		$items = new \TYPO3\CMS\Extbase\Persistence\ObjectStorage();
@@ -167,6 +177,7 @@ class TeaBeverageTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function addTestimonialAddsTestimonial() {
 		$items = new \TYPO3\CMS\Extbase\Persistence\ObjectStorage();
@@ -182,6 +193,7 @@ class TeaBeverageTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function removeTestimonialRemovesTestimonial() {
 		$items = new \TYPO3\CMS\Extbase\Persistence\ObjectStorage();
@@ -195,4 +207,4 @@ class TeaBeverageTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 			$this->subject->getTestimonials()->contains($newItem)
 		);
 	}
-}
\ No newline at end of file
+}
diff --git a/Tests/Unit/Domain/Model/TestimonialTest.php b/Tests/Unit/Domain/Model/TestimonialTest.php
index 2ea6ed8..317fdcf 100644
--- a/Tests/Unit/Domain/Model/TestimonialTest.php
+++ b/Tests/Unit/Domain/Model/TestimonialTest.php
@@ -46,6 +46,7 @@ class TestimonialTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function getDateOfPostingInitiallyReturnsNull() {
 		$this->assertNull(
@@ -55,6 +56,7 @@ class TestimonialTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function setDateOfPostingSetsDateOfPosting() {
 		$date = new \DateTime();
@@ -68,6 +70,7 @@ class TestimonialTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function getNumberOfConsumedCupsInitiallyReturnsZero() {
 		$this->assertSame(
@@ -78,6 +81,7 @@ class TestimonialTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function setNumberOfConsumedCupsSetsNumberOfConsumedCups() {
 		$this->subject->setNumberOfConsumedCups(123456);
@@ -90,6 +94,7 @@ class TestimonialTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function getTextInitiallyReturnsEmptyString() {
 		$this->assertSame(
@@ -100,6 +105,7 @@ class TestimonialTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function setTextSetsText() {
 		$this->subject->setText('foo bar');
@@ -109,4 +115,4 @@ class TestimonialTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCase {
 			$this->subject->getText()
 		);
 	}
-}
\ No newline at end of file
+}
diff --git a/Tests/Unit/Domain/Repository/TeaBeverageRepositoryTest.php b/Tests/Unit/Domain/Repository/TeaBeverageRepositoryTest.php
index 34b691b..214f524 100644
--- a/Tests/Unit/Domain/Repository/TeaBeverageRepositoryTest.php
+++ b/Tests/Unit/Domain/Repository/TeaBeverageRepositoryTest.php
@@ -53,10 +53,11 @@ class TeaBeverageRepositoryTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCa
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function canBeInstantiated() {
 		$this->assertNotNull(
 			$this->subject
 		);
 	}
-}
\ No newline at end of file
+}
diff --git a/Tests/Unit/Domain/Repository/TestimonialRepositoryTest.php b/Tests/Unit/Domain/Repository/TestimonialRepositoryTest.php
index 185d73b..f8fe1ef 100644
--- a/Tests/Unit/Domain/Repository/TestimonialRepositoryTest.php
+++ b/Tests/Unit/Domain/Repository/TestimonialRepositoryTest.php
@@ -53,10 +53,11 @@ class TestimonialRepositoryTest extends \TYPO3\CMS\Extbase\Tests\Unit\BaseTestCa
 
 	/**
 	 * @test
+	 * @return void
 	 */
 	public function canBeInstantiated() {
 		$this->assertNotNull(
 			$this->subject
 		);
 	}
-}
\ No newline at end of file
+}