diff --git a/test/EndToEnd/Version10/DefaultConfiguration/SleeperTest.php b/test/EndToEnd/Version10/DefaultConfiguration/SleeperTest.php
index 0157de6e..2f492e74 100644
--- a/test/EndToEnd/Version10/DefaultConfiguration/SleeperTest.php
+++ b/test/EndToEnd/Version10/DefaultConfiguration/SleeperTest.php
@@ -22,12 +22,12 @@ final class SleeperTest extends Framework\TestCase
 {
     public static function setUpBeforeClass(): void
     {
-        Test\Fixture\Sleeper::fromMilliseconds(50)->sleep();
+        Test\Fixture\Sleeper::fromMilliseconds(200)->sleep();
     }
 
     public static function tearDownAfterClass(): void
     {
-        Test\Fixture\Sleeper::fromMilliseconds(50)->sleep();
+        Test\Fixture\Sleeper::fromMilliseconds(200)->sleep();
     }
 
     protected function setUp(): void
diff --git a/test/EndToEnd/Version10/DefaultConfiguration/test.phpt b/test/EndToEnd/Version10/DefaultConfiguration/test.phpt
index a149dea6..92aba7ee 100644
--- a/test/EndToEnd/Version10/DefaultConfiguration/test.phpt
+++ b/test/EndToEnd/Version10/DefaultConfiguration/test.phpt
@@ -21,23 +21,23 @@ Runtime: %s
 Configuration: %Stest/EndToEnd/Version10/DefaultConfiguration/phpunit.xml
 Random %seed:   %s
 
-.....................                                             21 / 21 (100%)
+.......................                                           23 / 23 (100%)
 
-Detected 11 tests that took longer than expected.
+Detected 13 tests that took longer than expected.
 
- 1. 1.2%s (1.150) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanMaximumDurationFromAttributeWithValidMaximumDurationAndSlowThresholdAnnotation
- 2. 1.1%s (1.100) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanMaximumDurationFromAttribute
- 3. 1.1%s (1.000) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanMaximumDurationFromAnnotationWithValidSlowThresholdAndMaximumDurationAnnotation
- 4. 1.0%s (1.000) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanMaximumDurationFromAnnotationWithValidMaximumDurationAndSlowThresholdAnnotation
- 5. 1.0%s (0.900) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanSlowThresholdFromAnnotationWithValidSlowThresholdAnnotation
- 6. 0.9%s (0.500) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanDefaultMaximumDurationWithInvalidSlowThresholdAnnotation
- 7. 0.9%s (0.800) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanMaximumDurationFromAnnotationWithValidMaximumDurationAnnotation
- 8. 0.8%s (0.500) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanDefaultMaximumDurationWithInvalidMaximumDurationAnnotation
- 9. 0.8%s (0.500) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanDefaultMaximumDurationWithUselessDocBlock
-10. 0.7%s (0.500) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanDefaultMaximumDuration
+ 1. 1.25%s (1.150) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanMaximumDurationFromAttributeWithValidMaximumDurationAndSlowThresholdAnnotation
+ 2. 1.20%s (1.100) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanMaximumDurationFromAttribute
+ 3. 1.15%s (1.000) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanMaximumDurationFromAnnotationWithValidSlowThresholdAndMaximumDurationAnnotation
+ 4. 1.10%s (1.000) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanMaximumDurationFromAnnotationWithValidMaximumDurationAndSlowThresholdAnnotation
+ 5. 1.05%s (0.900) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanSlowThresholdFromAnnotationWithValidSlowThresholdAnnotation
+ 6. 1.00%s (0.500) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanDefaultMaximumDurationWithInvalidSlowThresholdAnnotation
+ 7. 0.95%s (0.800) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanMaximumDurationFromAnnotationWithValidMaximumDurationAnnotation
+ 8. 0.90%s (0.500) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanDefaultMaximumDurationWithInvalidMaximumDurationAnnotation
+ 9. 0.85%s (0.500) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanDefaultMaximumDurationWithUselessDocBlock
+10. 0.80%s (0.500) Ergebnis\PHPUnit\SlowTestDetector\Test\EndToEnd\Version10\DefaultConfiguration\SleeperTest::testSleeperSleepsLongerThanDefaultMaximumDuration
 
-There is 1 additional slow test that is not listed here.
+There are 3 additional slow tests that are not listed here.
 
 Time: %s, Memory: %s
 
-OK (21 tests, 21 assertions)
+OK (23 tests, 23 assertions)
diff --git a/test/EndToEnd/Version8/DefaultConfiguration/SleeperTest.php b/test/EndToEnd/Version8/DefaultConfiguration/SleeperTest.php
index b4f8cbe9..4c43bb26 100644
--- a/test/EndToEnd/Version8/DefaultConfiguration/SleeperTest.php
+++ b/test/EndToEnd/Version8/DefaultConfiguration/SleeperTest.php
@@ -23,12 +23,12 @@ final class SleeperTest extends Framework\TestCase
 {
     public static function setUpBeforeClass(): void
     {
-        Test\Fixture\Sleeper::fromMilliseconds(50)->sleep();
+        Test\Fixture\Sleeper::fromMilliseconds(200)->sleep();
     }
 
     public static function tearDownAfterClass(): void
     {
-        Test\Fixture\Sleeper::fromMilliseconds(50)->sleep();
+        Test\Fixture\Sleeper::fromMilliseconds(200)->sleep();
     }
 
     protected function setUp(): void
diff --git a/test/EndToEnd/Version9/DefaultConfiguration/SleeperTest.php b/test/EndToEnd/Version9/DefaultConfiguration/SleeperTest.php
index 193bbd16..988ff608 100644
--- a/test/EndToEnd/Version9/DefaultConfiguration/SleeperTest.php
+++ b/test/EndToEnd/Version9/DefaultConfiguration/SleeperTest.php
@@ -23,12 +23,12 @@ final class SleeperTest extends Framework\TestCase
 {
     public static function setUpBeforeClass(): void
     {
-        Test\Fixture\Sleeper::fromMilliseconds(50)->sleep();
+        Test\Fixture\Sleeper::fromMilliseconds(200)->sleep();
     }
 
     public static function tearDownAfterClass(): void
     {
-        Test\Fixture\Sleeper::fromMilliseconds(50)->sleep();
+        Test\Fixture\Sleeper::fromMilliseconds(200)->sleep();
     }
 
     protected function setUp(): void