Fix test and codestyle after updating BRICS countries

Author: PrinsFrank

src/Country/Groups/BRICS.php

@@ -3,7 +3,6 @@
 
 namespace PrinsFrank\Standards\Country\Groups;
 
-use PHPUnit\Framework\Constraint\Count;
 use PrinsFrank\Standards\Country\CountryAlpha2;
 
 /**

tests/Unit/Country/Groups/BRICSTest.php

@@ -18,6 +18,10 @@ public function testAllAlpha2(): void {
                 CountryAlpha2::India,
                 CountryAlpha2::China,
                 CountryAlpha2::South_Africa,
+                CountryAlpha2::Egypt,
+                CountryAlpha2::Ethiopia,
+                CountryAlpha2::Iran,
+                CountryAlpha2::United_Arab_Emirates,
             ],
             BRICS::allAlpha2()
         );