diff --git a/Behavioral/Command/Tests/CommandTest.php b/Behavioral/Command/Tests/CommandTest.php
index fa2e835..2479321 100644
--- a/Behavioral/Command/Tests/CommandTest.php
+++ b/Behavioral/Command/Tests/CommandTest.php
@@ -16,6 +16,6 @@ class CommandTest extends TestCase
 
         $invoker->setCommand(new HelloCommand($receiver));
         $invoker->run();
-        $this->assertEquals($receiver->getOutput(), 'Hello World');
+        $this->assertEquals('Hello World', $receiver->getOutput());
     }
 }
diff --git a/Behavioral/Command/Tests/UndoableCommandTest.php b/Behavioral/Command/Tests/UndoableCommandTest.php
index 708c736..9569cb1 100644
--- a/Behavioral/Command/Tests/UndoableCommandTest.php
+++ b/Behavioral/Command/Tests/UndoableCommandTest.php
@@ -17,17 +17,17 @@ class UndoableCommandTest extends TestCase
 
         $invoker->setCommand(new HelloCommand($receiver));
         $invoker->run();
-        $this->assertEquals($receiver->getOutput(), 'Hello World');
+        $this->assertEquals('Hello World', $receiver->getOutput());
 
         $messageDateCommand = new AddMessageDateCommand($receiver);
         $messageDateCommand->execute();
 
         $invoker->run();
-        $this->assertEquals($receiver->getOutput(), "Hello World\nHello World [".date('Y-m-d').']');
+        $this->assertEquals("Hello World\nHello World [".date('Y-m-d').']', $receiver->getOutput());
 
         $messageDateCommand->undo();
 
         $invoker->run();
-        $this->assertEquals($receiver->getOutput(), "Hello World\nHello World [".date('Y-m-d')."]\nHello World");
+        $this->assertEquals("Hello World\nHello World [".date('Y-m-d')."]\nHello World", $receiver->getOutput());
     }
 }