Merge pull request #1682 from thearsalan/hotfix/add-undeclared-faker-instance-to-test-en_NG

Add Undeclared Faker Instance to PhoneNumber Test in en_NG

test/Faker/Provider/en_NG/PhoneNumberTest.php

@@ -8,6 +8,12 @@ use PHPUnit\Framework\TestCase;
 
 class PhoneNumberTest extends TestCase
 {
+
+    /**
+     * @var Generator
+     */
+    private $faker;
+
     public function setUp()
     {
         $faker = new Generator();