diff --git a/tests/phpunit/TemplateTest.php b/tests/phpunit/TemplateTest.php
index 03fd2abeee..aa75f114ac 100644
--- a/tests/phpunit/TemplateTest.php
+++ b/tests/phpunit/TemplateTest.php
@@ -1349,6 +1349,10 @@ public function testRemoveWikilinks8() : void {
 
   public function testJournalCapitalization1() : void {
     $expanded = $this->process_citation("{{Cite journal|pmid=9858585}}");
+    if ($expanded->get2('journal') === "") {
+      sleep(5);
+      $expanded = $this->process_citation("{{Cite journal|pmid=9858585}}");
+    }
     $this->assertSame('Molecular and Cellular Biology', $expanded->get2('journal'));
   }
 
@@ -3742,6 +3746,11 @@ public function testJunkData() : void {
 	    "{{Cite web | title=IEEE Xplore This is a title with Document|pmid=1974138}}" .
 	    "{{Cite web | title=JSTOR This is a title document with Volume 3 and page 5|doi= 10.1021/jp101758y}}";
     $page = $this->process_page($text);
+    if (substr_count($page->parsed_text(), 'JSTOR') !== 0) {
+        sleep(3);
+        $text = $page->parsed_text();
+        $page = $this->process_page($text);
+    }
     $this->assertSame(0, substr_count($page->parsed_text(), 'JSTOR'));
   }
 
diff --git a/tests/phpunit/zoteroTest.php b/tests/phpunit/zoteroTest.php
index 795dede523..bf3ab716b4 100644
--- a/tests/phpunit/zoteroTest.php
+++ b/tests/phpunit/zoteroTest.php
@@ -180,6 +180,10 @@ public function testSimpleIEEE() : void {
   public function testIEEEdoi() : void {
     $url = "https://ieeexplore.ieee.org/document/4242344";
     $template = $this->process_citation('{{cite journal | url = ' . $url . ' }}');
+    if ($template->get('doi') === "") {
+      sleep(5);
+      $template = $this->process_citation('{{cite journal | url = ' . $url . ' }}');
+    }
     $this->assertSame('10.1109/ISSCC.2007.373373', $template->get2('doi'));
   }
 
@@ -1051,7 +1055,11 @@ public function testZoteroExpansionNYT() : void {
     $text = '{{Cite web|url=https://www.nytimes.com/2018/06/11/technology/net-neutrality-repeal.html}}';
     $expanded = $this->expand_via_zotero($text);
     if ($expanded->get('title') === "") {
-       sleep(2);
+       sleep(5);
+       $expanded = $this->expand_via_zotero($text);
+    }
+    if ($expanded->get('title') === "") {
+       sleep(5);
        $expanded = $this->expand_via_zotero($text);
     }
     $this->assertSame("Net Neutrality Has Officially Been Repealed. Here's How That Could Affect You", str_replace('. (Published 2018)', '', $expanded->get('title')));