fix: page title checks from exact match to contains match

Resolves turnitin#694

Author: keevan

tests/unit/classes/view/turnitintooltwo_view_test.php

@@ -53,7 +53,7 @@ public function test_output_header() {
         $turnitintooltwoview->output_header($pageurl, $pagetitle, $pageheading, true);
 
         $this->assertStringContainsString($pageurl, (string)$PAGE->url);
-        $this->assertEquals($pagetitle, $PAGE->title);
+        $this->assertStringContainsString($pagetitle, $PAGE->title);
         $this->assertEquals($pageheading, $PAGE->heading);
     }
 
@@ -223,4 +223,4 @@ public function test_show_delete_link() {
         $showdeletelink = $turnitintooltwoview->show_delete_link(false, $submission, time(), 1);
         $this->assertEquals(false, $showdeletelink);
     }
-}
+}