diff --git a/src/Standards/Generic/Tests/Files/ByteOrderMarkUnitTest.1.inc b/src/Standards/Generic/Tests/Files/ByteOrderMarkUnitTest.1.inc
index dc3bf59670..23d7cef260 100644
--- a/src/Standards/Generic/Tests/Files/ByteOrderMarkUnitTest.1.inc
+++ b/src/Standards/Generic/Tests/Files/ByteOrderMarkUnitTest.1.inc
@@ -1,3 +1,4 @@
 <?php
+// File with a byte order mark (BOM) character before the opening PHP tag.
 echo 'foo';
 ?>
diff --git a/src/Standards/Generic/Tests/Files/ByteOrderMarkUnitTest.2.inc b/src/Standards/Generic/Tests/Files/ByteOrderMarkUnitTest.2.inc
new file mode 100644
index 0000000000..4eace61450
--- /dev/null
+++ b/src/Standards/Generic/Tests/Files/ByteOrderMarkUnitTest.2.inc
@@ -0,0 +1,3 @@
+<?php // File without a byte order mark (BOM) character before the opening PHP tag. ?>
+
+<p>Some HTML</p>
diff --git a/src/Standards/Generic/Tests/Files/ByteOrderMarkUnitTest.3.inc b/src/Standards/Generic/Tests/Files/ByteOrderMarkUnitTest.3.inc
new file mode 100644
index 0000000000..4261899e22
--- /dev/null
+++ b/src/Standards/Generic/Tests/Files/ByteOrderMarkUnitTest.3.inc
@@ -0,0 +1 @@
+<p>Some HTML at the beginning of the file but without a byte order mark (BOM) character</p>