(test): Spec tests for Manager

Core/Rewards/Withdraw/Manager.php

@@ -22,13 +22,13 @@ class Manager
     /** @var TransactionsManager */
     protected $txManager;
 
-    /** @var OffchainTransactions $offChainTransactions */
+    /** @var OffchainTransactions */
     protected $offChainTransactions;
 
-    /** @var Config $config */
+    /** @var Config */
     protected $config;
 
-    /** @var Ethereum $eth */
+    /** @var Ethereum */
     protected $eth;
 
     /** @var Repository */
@@ -230,6 +230,10 @@ class Manager
             throw new Exception('Request is not pending');
         }
 
+        if (BigNumber::_($request->getAmount())->lt(0)) {
+            throw new Exception('The withdraw amount must be positive');
+        }
+
         if ((string) $request->getUserGuid() !== (string) $transaction->getUserGuid()) {
             throw new Exception('The user who requested this operation does not match the transaction');
         }
@@ -246,10 +250,6 @@ class Manager
             throw new Exception('The gas requested does not match the transaction');
         }
 
-        if (BigNumber::_($request->getAmount())->lt(0)) {
-            throw new Exception('The withdraw amount must be positive');
-        }
-
         $user = new User;
         $user->guid = (string) $request->getUserGuid();