diff --git a/tests/unit/phpDocumentor/Descriptor/Type/CollectionDescriptorTest.php b/tests/unit/phpDocumentor/Descriptor/Type/CollectionDescriptorTest.php
index <HASH>..<HASH> 100644
--- a/tests/unit/phpDocumentor/Descriptor/Type/CollectionDescriptorTest.php
+++ b/tests/unit/phpDocumentor/Descriptor/Type/CollectionDescriptorTest.php
@@ -94,7 +94,7 @@ class CollectionDescriptorTest extends \PHPUnit_Framework_TestCase
         $this->fixture->setKeyTypes(array(new StringDescriptor()));
         $this->fixture->setTypes(array(new FloatDescriptor(), new IntegerDescriptor()));
 
-        $this->assertSame('array<string,float|integer>', (string)$this->fixture);
+        $this->assertSame('array<string,float|integer>', (string) $this->fixture);
     }
 
     /**
@@ -104,6 +104,6 @@ class CollectionDescriptorTest extends \PHPUnit_Framework_TestCase
     {
         $this->fixture->setTypes(array(new FloatDescriptor(), new IntegerDescriptor()));
 
-        $this->assertSame('array<float|integer>', (string)$this->fixture);
+        $this->assertSame('array<float|integer>', (string) $this->fixture);
     }
 }
cast shall be followed by a space