diff --git a/.gitignore b/.gitignore
index 2d7e728e..efae396c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@ run-tests.php
 **/tests/**/*.diff
 **/tests/**/*.out*
 **/tests/**/*.php
+!tests/helpers.php
 **/tests/**/*.exp
 **/tests/**/*.log
 **/tests/**/*.sh
diff --git a/phpdotnet/phd/Package/PHP/Web.php b/phpdotnet/phd/Package/PHP/Web.php
index 475f3870..30734ef7 100644
--- a/phpdotnet/phd/Package/PHP/Web.php
+++ b/phpdotnet/phd/Package/PHP/Web.php
@@ -201,7 +201,7 @@ public function header($id) {
             "up"   => $up,
             "prev" => $prev,
             "next" => $next,
-            "alternatives" => $this->cchunk["alternatives"],
+            "alternatives" => $this->cchunk["alternatives"] ?? [],
             "source" => $this->sourceInfo($id),
         );
         $history = $this->history ?? [];
diff --git a/tests/GH-225.phpt b/tests/GH-225.phpt
index e8049cab..36e9a5d4 100644
--- a/tests/GH-225.phpt
+++ b/tests/GH-225.phpt
@@ -8,9 +8,8 @@ all
 <?php
 namespace phpdotnet\phd;
 
-if (!\file_exists(__DIR__ . "/../output/")) {
-    \mkdir(__DIR__ . "/../output/", 0777, true);
-}
+require_once __DIR__ . "/helpers.php";
+ensureOutputFolder();
 
 if (\file_exists(__DIR__ . "/../phd.config.php")) {
     \unlink(__DIR__ . "/../phd.config.php");
@@ -27,14 +26,9 @@ require_once __DIR__ . "/../render.php";
 --CLEAN--
 <?php
 \unlink(__DIR__ . "/../phd.config.php");
-$iterator = new \RecursiveIteratorIterator(
-    new \RecursiveDirectoryIterator(__DIR__ . "/../output/", \FilesystemIterator::SKIP_DOTS),
-    \RecursiveIteratorIterator::CHILD_FIRST
-);
-foreach ($iterator as $file) {
-    $file->isDir() ? \rmdir($file->getPathname()) : \unlink($file->getPathname());
-}
-\rmdir(__DIR__ . "/../output/");
+
+require_once __DIR__ . "/helpers.php";
+\phpdotnet\phd\removeOutputFolder();
 ?>
 --EXPECTF--
 %s[%d:%d:%d - Heads up              ]%s Loaded config from existing file
diff --git a/tests/helpers.php b/tests/helpers.php
new file mode 100644
index 00000000..d1f94441
--- /dev/null
+++ b/tests/helpers.php
@@ -0,0 +1,26 @@
+<?php
+namespace phpdotnet\phd;
+
+function ensureOutputFolder(): void
+{
+    if (!\file_exists(\dirname(__DIR__) . "/output/")) {
+        \mkdir(\dirname(__DIR__) . "/output/", 0777, true);
+    }
+}
+
+function removeOutputFolder(): void
+{
+    $folder = \dirname(__DIR__) . "/output/";
+    if (!\file_exists($folder)) {
+        return;
+    }
+
+    $iterator = new \RecursiveIteratorIterator(
+        new \RecursiveDirectoryIterator($folder, \FilesystemIterator::SKIP_DOTS),
+        \RecursiveIteratorIterator::CHILD_FIRST
+    );
+    foreach ($iterator as $file) {
+        $file->isDir() ? \rmdir($file->getPathname()) : \unlink($file->getPathname());
+    }
+    \rmdir($folder);
+}
diff --git a/tests/options/default_handler_007.phpt b/tests/options/default_handler_007.phpt
index 88ee071b..8978bc5a 100644
--- a/tests/options/default_handler_007.phpt
+++ b/tests/options/default_handler_007.phpt
@@ -2,6 +2,8 @@
 Default options handler 007 - Save config (short option) and quit (short option)
 --ARGS--
 --docbook tests/options/default_handler_007.phpt -S -Q
+--CONFLICTS--
+all
 --SKIPIF--
 <?php
 if (file_exists(__DIR__ . "/../../phd.config.php")) {
@@ -12,11 +14,17 @@ if (file_exists(__DIR__ . "/../../phd.config.php")) {
 <?php
 namespace phpdotnet\phd;
 
+require_once __DIR__ . "/../helpers.php";
+ensureOutputFolder();
+
 require_once __DIR__ . "/../../render.php";
 ?>
 --CLEAN--
 <?php
 unlink(__DIR__ . "/../../phd.config.php");
+
+require_once __DIR__ . "/../helpers.php";
+\phpdotnet\phd\removeOutputFolder();
 ?>
 --EXPECTF--
 %s[%d:%d:%d - Heads up              ]%s Writing the config file
diff --git a/tests/options/default_handler_008.phpt b/tests/options/default_handler_008.phpt
index 27322cd6..607dee5a 100644
--- a/tests/options/default_handler_008.phpt
+++ b/tests/options/default_handler_008.phpt
@@ -14,11 +14,17 @@ if (file_exists(__DIR__ . "/../../phd.config.php")) {
 <?php
 namespace phpdotnet\phd;
 
+require_once __DIR__ . "/../helpers.php";
+ensureOutputFolder();
+
 require_once __DIR__ . "/../../render.php";
 ?>
 --CLEAN--
 <?php
 unlink(__DIR__ . "/../../phd.config.php");
+
+require_once __DIR__ . "/../helpers.php";
+\phpdotnet\phd\removeOutputFolder();
 ?>
 --EXPECTF--
 %s[%d:%d:%d - Heads up              ]%s Writing the config file
diff --git a/tests/render/data/sources.xml b/tests/render/data/sources.xml
new file mode 100644
index 00000000..4c8224ad
--- /dev/null
+++ b/tests/render/data/sources.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<sources>
+ <file id="index" lang="en" path="index.xml"/>
+</sources>
diff --git a/tests/render/data/version.xml b/tests/render/data/version.xml
new file mode 100644
index 00000000..9282da17
--- /dev/null
+++ b/tests/render/data/version.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<versions>
+ <function name="strlen" from="PHP 4, PHP 5, PHP 7, PHP 8"/>
+</versions>
diff --git a/tests/render/en/entities/entities.acronyms.ent b/tests/render/en/entities/entities.acronyms.ent
new file mode 100644
index 00000000..50bad95b
--- /dev/null
+++ b/tests/render/en/entities/entities.acronyms.ent
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<entities xmlns       = "http://docbook.org/ns/docbook"
+          xmlns:xlink = "http://www.w3.org/1999/xlink"
+          translate   = "yes">
+
+<entity name="acronym.expansion.API">Application Programming Interface</entity>
+
+</entities>
diff --git a/tests/render/render_001.phpt b/tests/render/render_001.phpt
index 1cf162be..e6aa519b 100644
--- a/tests/render/render_001.phpt
+++ b/tests/render/render_001.phpt
@@ -2,26 +2,21 @@
 Render 001 - Smoke test render.php
 --ARGS--
 --memoryindex --forceindex --package PHP --format php --docbook tests/render/data/render_001.xml
+--CONFLICTS--
+all
 --FILE--
 <?php
 namespace phpdotnet\phd;
 
-if (!\file_exists(__DIR__ . "/../../output/")) {
-    \mkdir(__DIR__ . "/../../output/", 0777, true);
-}
+require_once __DIR__ . "/../helpers.php";
+ensureOutputFolder();
 
 require_once __DIR__ . "/../../render.php";
 ?>
 --CLEAN--
 <?php
-$iterator = new \RecursiveIteratorIterator(
-    new \RecursiveDirectoryIterator(__DIR__ . "/../../output/", \FilesystemIterator::SKIP_DOTS),
-    \RecursiveIteratorIterator::CHILD_FIRST
-);
-foreach ($iterator as $file) {
-    $file->isDir() ? \rmdir($file->getPathname()) : \unlink($file->getPathname());
-}
-\rmdir(__DIR__ . "/../../output/");
+require_once __DIR__ . "/../helpers.php";
+\phpdotnet\phd\removeOutputFolder();
 ?>
 --EXPECTF--
 %s[%d:%d:%d - Indexing              ]%s Indexing...