create a Test folder for each pattern

Behavioral/ChainOfResponsibilities/Tests/ChainTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace DesignPatterns\Behavioral\ChainOfResponsibilities;
+namespace DesignPatterns\Behavioral\ChainOfResponsibilities\Tests;
 
 use DesignPatterns\Behavioral\ChainOfResponsibilities\Request;
 use DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\FastStorage;

Behavioral/Command/Tests/CommandTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace DesignPatterns\Behavioral\Command;
+namespace DesignPatterns\Behavioral\Command\Tests;
 
 use DesignPatterns\Behavioral\Command\Invoker;
 use DesignPatterns\Behavioral\Command\Receiver;

Behavioral/Iterator/Tests/IteratorTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace DesignPatterns\Behavioral\Iterator;
+namespace DesignPatterns\Behavioral\Iterator\Tests;
 
 use DesignPatterns\Behavioral\Iterator\Book;
 use DesignPatterns\Behavioral\Iterator\BookList;

Behavioral/Mediator/Tests/MediatorTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace DesignPatterns\Tests\Mediator;
+namespace DesignPatterns\Tests\Mediator\Tests;
 
 use DesignPatterns\Behavioral\Mediator\Mediator;
 use DesignPatterns\Behavioral\Mediator\Subsystem\Database;

Behavioral/Memento/Tests/MementoTest.php

@@ -1,6 +1,8 @@
 <?php
 
-namespace DesignPatterns\Behavioral\Memento;
+namespace DesignPatterns\Behavioral\Memento\Tests;
+
+use DesignPatterns\Behavioral\Memento\Originator;
 
 /**
  * MementoTest tests the memento pattern

Behavioral/NullObject/Tests/LoggerTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace DesignPatterns\Behavioral\NullObject;
+namespace DesignPatterns\Behavioral\NullObject\Tests;
 
 use DesignPatterns\Behavioral\NullObject\NullLogger;
 use DesignPatterns\Behavioral\NullObject\Service;

Behavioral/Observer/Tests/ObserverTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace DesignPatterns\Behavioral\Observer;
+namespace DesignPatterns\Behavioral\Observer\Tests;
 
 use DesignPatterns\Behavioral\Observer\UserObserver;
 use DesignPatterns\Behavioral\Observer\User;

Behavioral/Specification/Tests/SpecificationTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace DesignPatterns\Behavioral\Specification;
+namespace DesignPatterns\Behavioral\Specification\Tests;
 
 use DesignPatterns\Behavioral\Specification\PriceSpecification;
 use DesignPatterns\Behavioral\Specification\Item;

Behavioral/Strategy/Tests/StrategyTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace DesignPatterns\Behavioral\Strategy;
+namespace DesignPatterns\Behavioral\Strategy\Tests;
 
 use DesignPatterns\Behavioral\Strategy\DateComparator;
 use DesignPatterns\Behavioral\Strategy\IdComparator;

Behavioral/TemplateMethod/Tests/JourneyTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace DesignPatterns\Behavioral\TemplateMethod;
+namespace DesignPatterns\Behavioral\TemplateMethod\Tests;
 
 use DesignPatterns\Behavioral\TemplateMethod;
 

Behavioral/Visitor/Tests/VisitorTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace DesignPatterns\Tests\Visitor;
+namespace DesignPatterns\Tests\Visitor\Tests;
 
 use DesignPatterns\Behavioral\Visitor;