diff --git a/tests/end-to-end/execution-order/_files/TestWithDifferentDurations.phpunit.result.cache.txt b/tests/end-to-end/execution-order/_files/TestWithDifferentDurations.phpunit.result.cache.txt
index 5cfa53d2f1d..abbaa02a4c8 100644
--- a/tests/end-to-end/execution-order/_files/TestWithDifferentDurations.phpunit.result.cache.txt
+++ b/tests/end-to-end/execution-order/_files/TestWithDifferentDurations.phpunit.result.cache.txt
@@ -1 +1 @@
-{"version":1,"defects":[],"times":{"TestWithDifferentDurations::testOne":1,"TestWithDifferentDurations::testTwo":0.5,"TestWithDifferentDurations::testThree":1.5}}
+{"version":1,"defects":[],"times":{"PHPUnit\\TestFixture\\TestWithDifferentDurations::testOne":2.006,"PHPUnit\\TestFixture\\TestWithDifferentDurations::testTwo":0,"PHPUnit\\TestFixture\\TestWithDifferentDurations::testThree":3.001,"PHPUnit\\TestFixture\\ExampleTest::testOne":2.006,"PHPUnit\\TestFixture\\ExampleTest::testTwo":3.001,"PHPUnit\\TestFixture\\ExampleTest::testThree":0}}
\ No newline at end of file
diff --git a/tests/end-to-end/execution-order/_files/order-by-duration.phpunit.xml b/tests/end-to-end/execution-order/_files/order-by-duration.phpunit.xml
new file mode 100644
index 00000000000..2ef82a66223
--- /dev/null
+++ b/tests/end-to-end/execution-order/_files/order-by-duration.phpunit.xml
@@ -0,0 +1,11 @@
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="../../../../phpunit.xsd"
+    executionOrder="duration"
+>
+    <testsuites>
+        <testsuite name="order-by-duration">
+            <file>./TestWithDifferentDurations.php</file>
+        </testsuite>
+    </testsuites>
+</phpunit>
diff --git a/tests/end-to-end/execution-order/order-by-duration-via-cli.phpt b/tests/end-to-end/execution-order/order-by-duration-via-cli.phpt
new file mode 100644
index 00000000000..9c9c73aa24a
--- /dev/null
+++ b/tests/end-to-end/execution-order/order-by-duration-via-cli.phpt
@@ -0,0 +1,50 @@
+--TEST--
+phpunit --order-by=duration ./tests/end-to-end/execution-order/_files/TestWithDifferentDurations.php
+--FILE--
+<?php declare(strict_types=1);
+$tmpResultCache = sys_get_temp_dir() . DIRECTORY_SEPARATOR . sha1(__FILE__);
+
+\copy(__DIR__ . '/_files/TestWithDifferentDurations.phpunit.result.cache.txt', $tmpResultCache);
+
+$_SERVER['argv'][] = '--do-not-cache-result';
+$_SERVER['argv'][] = '--no-configuration';
+$_SERVER['argv'][] = '--debug';
+$_SERVER['argv'][] = '--order-by=duration';
+$_SERVER['argv'][] = '--cache-result';
+$_SERVER['argv'][] = '--cache-result-file=' . $tmpResultCache;
+$_SERVER['argv'][] = __DIR__ . '/_files/TestWithDifferentDurations.php';
+
+require_once __DIR__ . '/../../bootstrap.php';
+
+(new PHPUnit\TextUI\Application)->run($_SERVER['argv']);
+--EXPECTF--
+PHPUnit Started (PHPUnit %s using PHP %s)
+Test Runner Configured
+Test Suite Loaded (3 tests)
+Event Facade Sealed
+Test Runner Started
+Test Suite Sorted
+Test Runner Execution Started (3 tests)
+Test Suite Started (PHPUnit\TestFixture\TestWithDifferentDurations, 3 tests)
+Test Preparation Started (PHPUnit\TestFixture\TestWithDifferentDurations::testTwo)
+Test Prepared (PHPUnit\TestFixture\TestWithDifferentDurations::testTwo)
+Assertion Succeeded (Constraint: is true, Value: true)
+Test Passed (PHPUnit\TestFixture\TestWithDifferentDurations::testTwo)
+Test Finished (PHPUnit\TestFixture\TestWithDifferentDurations::testTwo)
+Test Preparation Started (PHPUnit\TestFixture\TestWithDifferentDurations::testOne)
+Test Prepared (PHPUnit\TestFixture\TestWithDifferentDurations::testOne)
+Assertion Succeeded (Constraint: is true, Value: true)
+Test Passed (PHPUnit\TestFixture\TestWithDifferentDurations::testOne)
+Test Finished (PHPUnit\TestFixture\TestWithDifferentDurations::testOne)
+Test Preparation Started (PHPUnit\TestFixture\TestWithDifferentDurations::testThree)
+Test Prepared (PHPUnit\TestFixture\TestWithDifferentDurations::testThree)
+Assertion Succeeded (Constraint: is true, Value: true)
+Test Passed (PHPUnit\TestFixture\TestWithDifferentDurations::testThree)
+Test Finished (PHPUnit\TestFixture\TestWithDifferentDurations::testThree)
+Test Suite Finished (PHPUnit\TestFixture\TestWithDifferentDurations, 3 tests)
+Test Runner Execution Finished
+Test Runner Finished
+PHPUnit Finished (Shell Exit Code: 0)
+--CLEAN--
+<?php declare(strict_types=1);
+unlink(sys_get_temp_dir() . DIRECTORY_SEPARATOR . sha1(__FILE__));
diff --git a/tests/end-to-end/execution-order/order-by-duration-via-phpunit-xml.phpt b/tests/end-to-end/execution-order/order-by-duration-via-phpunit-xml.phpt
new file mode 100644
index 00000000000..b9330be04a1
--- /dev/null
+++ b/tests/end-to-end/execution-order/order-by-duration-via-phpunit-xml.phpt
@@ -0,0 +1,54 @@
+--TEST--
+phpunit --configuration=order-by-duration.phpunit.xml
+--FILE--
+<?php declare(strict_types=1);
+$tmpResultCache = sys_get_temp_dir() . DIRECTORY_SEPARATOR . sha1(__FILE__);
+
+\copy(__DIR__ . '/_files/TestWithDifferentDurations.phpunit.result.cache.txt', $tmpResultCache);
+
+$phpunitXmlConfig = __DIR__ . '/_files/order-by-duration.phpunit.xml';
+
+$_SERVER['argv'][] = '--do-not-cache-result';
+$_SERVER['argv'][] = '--configuration=' . $phpunitXmlConfig;
+$_SERVER['argv'][] = '--debug';
+$_SERVER['argv'][] = '--cache-result';
+$_SERVER['argv'][] = '--cache-result-file=' . $tmpResultCache;
+
+require_once __DIR__ . '/../../bootstrap.php';
+
+(new PHPUnit\TextUI\Application)->run($_SERVER['argv']);
+--EXPECTF--
+PHPUnit Started (PHPUnit %s using PHP %s)
+Test Runner Configured
+Test Suite Loaded (3 tests)
+Event Facade Sealed
+Test Runner Started
+Test Suite Sorted
+Test Runner Execution Started (3 tests)
+Test Suite Started (%sorder-by-duration.phpunit.xml, 3 tests)
+Test Suite Started (order-by-duration, 3 tests)
+Test Suite Started (PHPUnit\TestFixture\TestWithDifferentDurations, 3 tests)
+Test Preparation Started (PHPUnit\TestFixture\TestWithDifferentDurations::testTwo)
+Test Prepared (PHPUnit\TestFixture\TestWithDifferentDurations::testTwo)
+Assertion Succeeded (Constraint: is true, Value: true)
+Test Passed (PHPUnit\TestFixture\TestWithDifferentDurations::testTwo)
+Test Finished (PHPUnit\TestFixture\TestWithDifferentDurations::testTwo)
+Test Preparation Started (PHPUnit\TestFixture\TestWithDifferentDurations::testOne)
+Test Prepared (PHPUnit\TestFixture\TestWithDifferentDurations::testOne)
+Assertion Succeeded (Constraint: is true, Value: true)
+Test Passed (PHPUnit\TestFixture\TestWithDifferentDurations::testOne)
+Test Finished (PHPUnit\TestFixture\TestWithDifferentDurations::testOne)
+Test Preparation Started (PHPUnit\TestFixture\TestWithDifferentDurations::testThree)
+Test Prepared (PHPUnit\TestFixture\TestWithDifferentDurations::testThree)
+Assertion Succeeded (Constraint: is true, Value: true)
+Test Passed (PHPUnit\TestFixture\TestWithDifferentDurations::testThree)
+Test Finished (PHPUnit\TestFixture\TestWithDifferentDurations::testThree)
+Test Suite Finished (PHPUnit\TestFixture\TestWithDifferentDurations, 3 tests)
+Test Suite Finished (order-by-duration, 3 tests)
+Test Suite Finished (%sorder-by-duration.phpunit.xml, 3 tests)
+Test Runner Execution Finished
+Test Runner Finished
+PHPUnit Finished (Shell Exit Code: 0)
+--CLEAN--
+<?php declare(strict_types=1);
+unlink(sys_get_temp_dir() . DIRECTORY_SEPARATOR . sha1(__FILE__));