diff --git a/tests/php/FilenameParsing/FileIDHelperTester.php b/tests/php/FilenameParsing/FileIDHelperTest.php
similarity index 98%
rename from tests/php/FilenameParsing/FileIDHelperTester.php
rename to tests/php/FilenameParsing/FileIDHelperTest.php
index 252e80f1..ba552d5b 100644
--- a/tests/php/FilenameParsing/FileIDHelperTester.php
+++ b/tests/php/FilenameParsing/FileIDHelperTest.php
@@ -9,7 +9,7 @@
  * All the `FileIDHelper` have the exact same signature and very similar structure. Their basic tests will share the
  * same structure.
  */
-abstract class FileIDHelperTester extends SapphireTest
+abstract class FileIDHelperTest extends SapphireTest
 {
 
     /**
diff --git a/tests/php/FilenameParsing/HashFileIDHelperTest.php b/tests/php/FilenameParsing/HashFileIDHelperTest.php
index f13194b5..b6b638d9 100644
--- a/tests/php/FilenameParsing/HashFileIDHelperTest.php
+++ b/tests/php/FilenameParsing/HashFileIDHelperTest.php
@@ -5,7 +5,7 @@
 use SilverStripe\Assets\FilenameParsing\HashFileIDHelper;
 use SilverStripe\Assets\FilenameParsing\ParsedFileID;
 
-class HashFileIDHelperTest extends FileIDHelperTester
+class HashFileIDHelperTest extends FileIDHelperTest
 {
 
     protected function getHelper()
diff --git a/tests/php/FilenameParsing/LegacyFileIDHelperTest.php b/tests/php/FilenameParsing/LegacyFileIDHelperTest.php
index a176423a..aca645f3 100644
--- a/tests/php/FilenameParsing/LegacyFileIDHelperTest.php
+++ b/tests/php/FilenameParsing/LegacyFileIDHelperTest.php
@@ -4,7 +4,7 @@
 use SilverStripe\Assets\FilenameParsing\LegacyFileIDHelper;
 use SilverStripe\Assets\FilenameParsing\ParsedFileID;
 
-class LegacyFileIDHelperTest extends FileIDHelperTester
+class LegacyFileIDHelperTest extends FileIDHelperTest
 {
 
     protected function getHelper()
diff --git a/tests/php/FilenameParsing/MigrationLegacyFileIDHelperTest.php b/tests/php/FilenameParsing/MigrationLegacyFileIDHelperTest.php
index f279f594..20a1269a 100644
--- a/tests/php/FilenameParsing/MigrationLegacyFileIDHelperTest.php
+++ b/tests/php/FilenameParsing/MigrationLegacyFileIDHelperTest.php
@@ -4,7 +4,7 @@
 use SilverStripe\Assets\FilenameParsing\LegacyFileIDHelper;
 use SilverStripe\Assets\FilenameParsing\ParsedFileID;
 
-class MigrationLegacyFileIDHelperTest extends FileIDHelperTester
+class MigrationLegacyFileIDHelperTest extends FileIDHelperTest
 {
 
     protected function getHelper()
diff --git a/tests/php/FilenameParsing/NaturalFileIDHelperTest.php b/tests/php/FilenameParsing/NaturalFileIDHelperTest.php
index 075f3e0a..9e6bd3ad 100644
--- a/tests/php/FilenameParsing/NaturalFileIDHelperTest.php
+++ b/tests/php/FilenameParsing/NaturalFileIDHelperTest.php
@@ -4,7 +4,7 @@
 use SilverStripe\Assets\FilenameParsing\NaturalFileIDHelper;
 use SilverStripe\Assets\FilenameParsing\ParsedFileID;
 
-class NaturalFileIDHelperTest extends FileIDHelperTester
+class NaturalFileIDHelperTest extends FileIDHelperTest
 {
 
     protected function getHelper()