Updated deprecated phpunit API calls

Author: TheTechsTech

tests/Spork/Test/Deferred/DeferredAggregateTest.php

@@ -21,7 +21,7 @@ class DeferredAggregateTest extends TestCase
 {
     public function testInvalidChild()
     {
-        $this->setExpectedException('Spork\Exception\UnexpectedTypeException', 'PromiseInterface');
+        $this->expectException('Spork\Exception\UnexpectedTypeException', 'PromiseInterface');
 
         $defer = new DeferredAggregate(array('asdf'));
     }

tests/Spork/Test/Deferred/DeferredTest.php

@@ -97,7 +97,7 @@ public function testMultipleResolve($method)
      */
     public function testInvalidResolve($method, $invalid)
     {
-        $this->setExpectedException('LogicException', 'that has already been');
+        $this->expectException('LogicException', 'that has already been');
 
         $this->defer->$method();
         $this->defer->$invalid();
@@ -124,7 +124,7 @@ public function testAlreadyResolved($resolve, $queue, $expect = true)
      */
     public function testInvalidCallback($method, $invalid)
     {
-        $this->setExpectedException('Spork\Exception\UnexpectedTypeException', 'callable');
+        $this->expectException('Spork\Exception\UnexpectedTypeException', 'callable');
 
         $this->defer->$method($invalid);
     }