Changes to improve testing (#9608)

* Reorganize trap tests

* Testing db DRIVER to prevent .env from interfering

* New code to detect if Laravel is booted.  Hopefully more reliable.

* WIP external test process

* revert module test helper

* Use .env in Eloquent::boot()

* Fix test database settings loading

* fix undefined classes
(didn't find the one I needed)

* Fix incorrect Config usages
And RrdDefinition return type

* fix .env loading

* use the right DB

* slightly more accurate isConnected

* Move db_name to DBSetupTest specifically

* restore $_SERVER in AuthSSOTest

* missed item

* WIP

* tear down in the correct order.

* some testing cleanups

* remove check for duplicate event listener, it's not working right

* Don't need this change anymore

* Implement Log::event to replace legacy function log_event()

* fix port tests

* fix up tests

* remove pointless TrapTestCase class

* fix style

includes/functions.php

@@ -998,7 +998,7 @@ function send_mail($emails, $subject, $message, $html = false)
             }
             $mail->send();
             return true;
-        } catch (phpmailerException $e) {
+        } catch (\PHPMailer\PHPMailer\Exception $e) {
             return $e->errorMessage();
         } catch (Exception $e) {
             return $e->getMessage();