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

tests/OSDiscoveryTest.php

@@ -26,7 +26,6 @@
 namespace LibreNMS\Tests;
 
 use LibreNMS\Config;
-use PHPUnit_Framework_ExpectationFailedException as PHPUnitException;
 
 class OSDiscoveryTest extends TestCase
 {
@@ -69,7 +68,7 @@ class OSDiscoveryTest extends TestCase
         });
 
         if (empty($files)) {
-            throw new PHPUnitException("No snmprec files found for $os_name!");
+            $this->fail("No snmprec files found for $os_name!");
         }
 
         foreach ($files as $file) {