Expand tests, do code cleanup.

tests/Unit/ExampleTest.php

@@ -24,6 +24,9 @@ namespace Tests\Unit;
 
 use Tests\TestCase;
 
+/**
+ * Class ExampleTest
+ */
 class ExampleTest extends TestCase
 {
     /**

tests/Unit/Helpers/MetaPieChartTest.php

@@ -161,6 +161,9 @@ class MetaPieChartTest extends TestCase
         $this->assertTrue(true);
     }
 
+    /**
+     * @return Collection
+     */
     private function fakeOthers(): Collection
     {
         $set = new Collection;
@@ -181,6 +184,9 @@ class MetaPieChartTest extends TestCase
         return $set;
     }
 
+    /**
+     * @return Collection
+     */
     private function fakeTransactions(): Collection
     {
         $set = new Collection;

tests/Unit/TransactionRules/Actions/AddTagTest.php

@@ -28,6 +28,9 @@ use FireflyIII\Models\TransactionJournal;
 use FireflyIII\TransactionRules\Actions\AddTag;
 use Tests\TestCase;
 
+/**
+ * Class AddTagTest
+ */
 class AddTagTest extends TestCase
 {
     /**

tests/Unit/TransactionRules/Actions/AppendDescriptionTest.php

@@ -27,6 +27,9 @@ use FireflyIII\Models\TransactionJournal;
 use FireflyIII\TransactionRules\Actions\AppendDescription;
 use Tests\TestCase;
 
+/**
+ * Class AppendDescriptionTest
+ */
 class AppendDescriptionTest extends TestCase
 {
     /**