tests - ignore case when performing test

CHANGELOG.md

@@ -5,6 +5,7 @@
 - Fix various documentation errors/typos and add various enhancements
 - Fix ui.env not read when using Linux integration
 - Fix check if BunkerNet is activated on default server
+- Fix request crash when mmdb lookup is fails
 - Add \*_CUSTOM_CONF_\* setting to automatically add custom config files from setting value
 - Add DENY_HTTP_STATUS setting to choose standard 403 error page (default) or 444 to close connection when access is denied
 - Add CORS (Cross-Origin Resource Sharing) core plugin

tests/Test.py

@@ -101,7 +101,7 @@ class Test(ABC) :
                     if search(ex_domain, ex_url) :
                         ex_url = sub(ex_domain, test_domain, ex_url)
                 r = get(ex_url, timeout=5)
-                return test["string"] in r.text
+                return test["string"].casefold() in r.text.casefold()
         except :
             self._log("exception while running test of type " + test["type"] + " on URL " + test["url"] + "\n" + format_exc(), error=True)
             return False