style: resolve style guide violations

Author: alexbarnsley

src/API/Wallets.php

@@ -119,7 +119,7 @@ public function tokensFor(string $id, array $query = []): ?array
     public function tokens(array $query = []): ?array
     {
         if (isset($query['whitelist'])) {
-            return $this->requestPost("wallets/tokens", $query);
+            return $this->requestPost('wallets/tokens', $query);
         }
 
         return $this->requestGet('wallets/tokens', $query);

tests/API/TokensTest.php

@@ -51,7 +51,7 @@ function (ArkClient $client) {
 it('calls correct url for whitelist with query', function () {
     $this->assertResponse('GET', 'tokens/whitelist?page=2&limit=10', function (ArkClient $client) {
         return $client->tokens()->whitelist([
-            'page' => 2,
+            'page'  => 2,
             'limit' => 10,
         ]);
     });

tests/TestCase.php

@@ -36,8 +36,7 @@ protected function assertResponse(
         string $expectedApi = 'api',
         array $response = [],
         ?array $expectedRequestBody = null
-    ): void
-    {
+    ): void {
         $hosts = [
             'api'          => 'https://dwallets-evm.mainsailhq.com/api',
             'transactions' => 'https://dwallets-evm.mainsailhq.com/tx/api',