diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d133f5..2992c3e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,11 @@ All notable changes from version 4.0.0 onward are documented in this file.
   example `choices`) can keep a meaningful order instead of an alphabetical one. The containing array is still
   checked.
 
+### Changed
+
+- Excluded the superfluous trait name, superfluous abstract class prefix, alphabetical array key order, and function
+  length checks from `tests/` directories.
+
 ## 6.0.0
 
 ### Added
diff --git a/phpcs.ruleset.84.xml b/phpcs.ruleset.84.xml
index 64b6706..807f7d8 100644
--- a/phpcs.ruleset.84.xml
+++ b/phpcs.ruleset.84.xml
@@ -237,6 +237,7 @@
   <rule ref="Zend.Files.ClosingTag"/>
 
   <rule ref="PixelFederationCodingStandard.Arrays.AlphabeticallySortedByKeys">
+    <exclude-pattern>*/tests/*</exclude-pattern>
     <properties>
       <property name="ignoredParentKeys" type="array">
         <element value="choices"/>
@@ -342,10 +343,15 @@
   </rule>
   <rule ref="SlevomatCodingStandard.Classes.RequireSelfReference"/>
   <rule ref="SlevomatCodingStandard.Classes.SuperfluousAbstractClassNaming"/>
+  <rule ref="SlevomatCodingStandard.Classes.SuperfluousAbstractClassNaming.SuperfluousPrefix">
+    <exclude-pattern>*/tests/*</exclude-pattern>
+  </rule>
   <rule ref="SlevomatCodingStandard.Classes.SuperfluousErrorNaming"/>
   <rule ref="SlevomatCodingStandard.Classes.SuperfluousExceptionNaming"/>
   <rule ref="SlevomatCodingStandard.Classes.SuperfluousInterfaceNaming"/>
-  <rule ref="SlevomatCodingStandard.Classes.SuperfluousTraitNaming"/>
+  <rule ref="SlevomatCodingStandard.Classes.SuperfluousTraitNaming">
+    <exclude-pattern>*/tests/*</exclude-pattern>
+  </rule>
   <rule ref="SlevomatCodingStandard.Classes.TraitUseDeclaration"/>
   <rule ref="SlevomatCodingStandard.Classes.TraitUseOrder"/>
   <rule ref="SlevomatCodingStandard.Classes.TraitUseSpacing">
@@ -417,6 +423,7 @@
     </properties>
   </rule>
   <rule ref="SlevomatCodingStandard.Functions.FunctionLength">
+    <exclude-pattern>*/tests/*</exclude-pattern>
     <properties>
       <property name="maxLinesLength" value="35"/>
     </properties>
diff --git a/tests/Functional/AlphabeticallySortedByKeysTest.php b/tests/Functional/AlphabeticallySortedByKeysTest.php
index 3a9027d..c142927 100644
--- a/tests/Functional/AlphabeticallySortedByKeysTest.php
+++ b/tests/Functional/AlphabeticallySortedByKeysTest.php
@@ -37,11 +37,19 @@ public function testEmptyIgnoredParentKeysPreservesOriginalBehaviour(): void
 
     public function testPackagedRulesetConfiguresIgnoredParentKeys(): void
     {
-        $messages = $this->runSniffWithRuleset(
-            __DIR__ . '/AlphabeticallySortedByKeys/Arrays.php',
-            self::getPath('PATH_PHPCS_RULESET'),
-            1,
-        );
+        $path = $this->copyFixtureToTemporaryFile('AlphabeticallySortedByKeys/Arrays.php');
+
+        try {
+            $messages = $this->runSniffWithRuleset(
+                $path,
+                self::getPath('PATH_PHPCS_RULESET'),
+                1,
+            );
+        } finally {
+            if (is_file($path)) {
+                unlink($path);
+            }
+        }
 
         self::assertSame([13, 23, 34], array_column($messages, 'line'));
     }
@@ -90,6 +98,27 @@ public function testLongArraySyntaxIsIgnored(): void
         }
     }
 
+    private function copyFixtureToTemporaryFile(string $fixture): string
+    {
+        $temporaryPath = tempnam(sys_get_temp_dir(), 'phpcs-array-');
+        if ($temporaryPath === false) {
+            throw new RuntimeException('Could not create temporary PHP file.');
+        }
+
+        $path = $temporaryPath . '.php';
+        if (!rename($temporaryPath, $path)) {
+            throw new RuntimeException('Could not create temporary PHP file.');
+        }
+
+        if (!copy(__DIR__ . '/' . $fixture, $path)) {
+            unlink($path);
+
+            throw new RuntimeException('Could not copy fixture to temporary PHP file.');
+        }
+
+        return $path;
+    }
+
     private function getEscapedKeysSnippet(): string
     {
         return $this->getBasicEscapesSnippet() . $this->getAdditionalEscapesSnippet();