test(SystemTimezone): add newlines to expected zoneinfo output

Author: jaredhendrickson13

pfSense-pkg-RESTAPI/files/usr/local/pkg/RESTAPI/Tests/APIModelsSystemTimezoneTestCase.inc

@@ -16,15 +16,15 @@ class APIModelsSystemTimezoneTestCase extends TestCase {
 
         # Ensure the timezone was updated correctly
         $zoneinfo = file_get_contents('/var/db/zoneinfo');
-        $this->assert_equals($zoneinfo, 'America/Denver');
+        $this->assert_equals($zoneinfo, 'America/Denver'.PHP_EOL);
 
         # Update the timezone again
         $timezone = new SystemTimezone(timezone: 'UTC');
         $timezone->update();
 
         # Ensure the timezone was updated correctly
         $zoneinfo = file_get_contents('/var/db/zoneinfo');
-        $this->assert_equals($zoneinfo, 'UTC');
+        $this->assert_equals($zoneinfo, 'UTC'.PHP_EOL);
     }
 
     /**