diff --git a/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.2_to_3.3.expected.xml b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.2_to_3.3.expected.xml
new file mode 100644
index 000000000..996d6274b
--- /dev/null
+++ b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.2_to_3.3.expected.xml
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.3">
+</itop_design>
diff --git a/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.2_to_3.3.input.xml b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.2_to_3.3.input.xml
new file mode 100644
index 000000000..da9755d33
--- /dev/null
+++ b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.2_to_3.3.input.xml
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.2">
+</itop_design>
diff --git a/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.3_to_3.2.expected.xml b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.3_to_3.2.expected.xml
new file mode 100644
index 000000000..55ffaf199
--- /dev/null
+++ b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.3_to_3.2.expected.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.2">
+  <branding/>
+</itop_design>
diff --git a/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.3_to_3.2.input.xml b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.3_to_3.2.input.xml
new file mode 100644
index 000000000..55ffaf199
--- /dev/null
+++ b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/Convert-samples/3.3_to_3.2.input.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.2">
+  <branding/>
+</itop_design>
diff --git a/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/iTopDesignFormatTest.php b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/iTopDesignFormatTest.php
index 7f8fe2bbe..4465e36a6 100644
--- a/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/iTopDesignFormatTest.php
+++ b/tests/php-unit-tests/unitary-tests/setup/iTopDesignFormat/iTopDesignFormatTest.php
@@ -145,6 +145,8 @@ class iTopDesignFormatTest extends ItopTestCase
 			'3.1 to 3.0'   => ['sXmlFileName' => '3.1_to_3.0'],
 			'3.1 to 3.2'   => ['sXmlFileName' => '3.1_to_3.2'],
 			'3.2 to 3.1'   => ['sXmlFileName' => '3.2_to_3.1'],
+			'3.2 to 3.3'   => ['sXmlFileName' => '3.2_to_3.3'],
+			'3.3 to 3.2'   => ['sXmlFileName' => '3.3_to_3.2'],
 			'Bug_4569'     => ['sXmlFileName' => 'Bug_4569'],
 		];
 	}