requested changes

src/BankAccount.php

@@ -4,5 +4,5 @@
 
 class BankAccount extends BasePaymentSourceObject
 {
-    use Operations\Delete;
+
 }

src/BasePaymentSourceObject.php

@@ -4,4 +4,5 @@
 
 class BasePaymentSourceObject extends BaseObject
 {
+    use Operations\Delete;
 }

src/Card.php

@@ -4,5 +4,5 @@
 
 class Card extends BasePaymentSourceObject
 {
-    use Operations\Delete;
+
 }

tests/PaymentSourceTest.php

@@ -38,36 +38,4 @@ public function testAll()
         $this->assertInstanceOf('Invoiced\\Collection', $metadata);
         $this->assertEquals(15, $metadata->total_count);
     }
-
-    public function testInvalidCardCreate()
-    {
-        $this->setExpectedException('Error');
-
-        $card = new Card(self::$invoiced);
-        $card->create();
-    }
-
-    public function testInvalidCardAll()
-    {
-        $this->setExpectedException('Error');
-
-        $card = new Card(self::$invoiced);
-        $card->all();
-    }
-
-    public function testInvalidBankAccountCreate()
-    {
-        $this->setExpectedException('Error');
-
-        $acct = new BankAccount(self::$invoiced);
-        $acct->create();
-    }
-
-    public function testInvalidBankAccountAll()
-    {
-        $this->setExpectedException('Error');
-
-        $acct = new BankAccount(self::$invoiced);
-        $acct->all();
-    }
 }