Expand tests, do code cleanup.

app/TransactionRules/Actions/ClearNotes.php

@@ -51,6 +51,7 @@ class ClearNotes implements ActionInterface
      * @param TransactionJournal $journal
      *
      * @return bool
+     * @throws \Exception
      */
     public function act(TransactionJournal $journal): bool
     {

app/TransactionRules/Factory/ActionFactory.php

@@ -47,6 +47,7 @@ class ActionFactory
      * @param RuleAction $action
      *
      * @return ActionInterface
+     * @throws FireflyException
      */
     public static function getAction(RuleAction $action): ActionInterface
     {

app/TransactionRules/Factory/TriggerFactory.php

@@ -49,6 +49,7 @@ class TriggerFactory
      * @param RuleTrigger $trigger
      *
      * @return AbstractTrigger
+     * @throws FireflyException
      */
     public static function getTrigger(RuleTrigger $trigger)
     {

app/TransactionRules/Processor.php

@@ -95,6 +95,7 @@ final class Processor
      * @param string $triggerValue
      *
      * @return Processor
+     * @throws \FireflyIII\Exceptions\FireflyException
      */
     public static function makeFromString(string $triggerName, string $triggerValue)
     {
@@ -118,6 +119,7 @@ final class Processor
      * @param array $triggers
      *
      * @return Processor
+     * @throws \FireflyIII\Exceptions\FireflyException
      */
     public static function makeFromStringArray(array $triggers)
     {