diff --git a/tests/testBaseClass.php b/tests/testBaseClass.php
index fa90f87163..a183bb5eaa 100644
--- a/tests/testBaseClass.php
+++ b/tests/testBaseClass.php
@@ -47,7 +47,7 @@ function __construct() {
              $this->testing_skip_bibcode = false;
         }
         if (!getenv('PHP_OAUTH_CONSUMER_TOKEN') || !getenv('PHP_OAUTH_CONSUMER_SECRET') ||
-                !getenv('PHP_OAUTH_ACCESS_TOKEN')       || !getenv('PHP_OAUTH_ACCESS_SECRET')) {
+                !getenv('PHP_OAUTH_ACCESS_TOKEN') || !getenv('PHP_OAUTH_ACCESS_SECRET')) {
              $this->testing_skip_wiki = true;
         } else {
              $this->testing_skip_wiki = false;
@@ -96,13 +96,13 @@ protected function requires_bibcode(callable $function): void {
 
     // Speeds up non-zotero tests
     protected function requires_zotero(callable $function): void {
-            try {
-                usleep(300000); // Reduce failures
-                Zotero::unblock_zotero();
-                $function();
-            } finally {
-                Zotero::block_zotero();
-            }
+        try {
+            usleep(300000); // Reduce failures
+            Zotero::unblock_zotero();
+            $function();
+        } finally {
+            Zotero::block_zotero();
+        }
     }
 
     protected function make_citation(string $text): Template {
@@ -179,11 +179,14 @@ protected function reference_to_template(string $text): Template {
     }
 
     protected function flush(): void {
-         if (ob_get_level() > 0) { 
-             ob_end_flush();
-             ob_start();
-         }
-         flush();
+        $level = ob_get_level();
+        for ($count = 0; $count < $level; $count++) {
+            ob_end_flush();
+        }
+        flush();
+        for ($count = 0; $count < $level; $count++) {
+            ob_start();
+        }
     }
 
     protected function fill_cache(): void { // Name is outdated