diff --git a/tests/PhpWord/Shared/StringTest.php b/tests/PhpWord/Shared/SharedStringTest.php
similarity index 61%
rename from tests/PhpWord/Shared/StringTest.php
rename to tests/PhpWord/Shared/SharedStringTest.php
index a12d52f9b9..e49dd2a26d 100644
--- a/tests/PhpWord/Shared/StringTest.php
+++ b/tests/PhpWord/Shared/SharedStringTest.php
@@ -23,16 +23,16 @@
  * @coversDefaultClass \PhpOffice\PhpWord\Shared\String
  * @runTestsInSeparateProcesses
  */
-class StringTest extends \PHPUnit_Framework_TestCase
+class SharedStringTest extends \PHPUnit_Framework_TestCase
 {
     /**
      * Is UTF8
      */
     public function testIsUTF8()
     {
-        $this->assertTrue(String::isUTF8(''));
-        $this->assertTrue(String::isUTF8('éééé'));
-        $this->assertFalse(String::isUTF8(utf8_decode('éééé')));
+        $this->assertTrue(SharedString::isUTF8(''));
+        $this->assertTrue(SharedString::isUTF8('éééé'));
+        $this->assertFalse(SharedString::isUTF8(utf8_decode('éééé')));
     }
 
     /**
@@ -40,8 +40,8 @@ public function testIsUTF8()
      */
     public function testControlCharacterOOXML2PHP()
     {
-        $this->assertEquals('', String::controlCharacterOOXML2PHP(''));
-        $this->assertEquals(chr(0x08), String::controlCharacterOOXML2PHP('_x0008_'));
+        $this->assertEquals('', SharedString::controlCharacterOOXML2PHP(''));
+        $this->assertEquals(chr(0x08), SharedString::controlCharacterOOXML2PHP('_x0008_'));
     }
 
     /**
@@ -49,8 +49,8 @@ public function testControlCharacterOOXML2PHP()
      */
     public function testControlCharacterPHP2OOXML()
     {
-        $this->assertEquals('', String::controlCharacterPHP2OOXML(''));
-        $this->assertEquals('_x0008_', String::controlCharacterPHP2OOXML(chr(0x08)));
+        $this->assertEquals('', SharedString::controlCharacterPHP2OOXML(''));
+        $this->assertEquals('_x0008_', SharedString::controlCharacterPHP2OOXML(chr(0x08)));
     }
 
     /**
@@ -58,9 +58,9 @@ public function testControlCharacterPHP2OOXML()
      */
     public function testToUnicode()
     {
-        $this->assertEquals('a', String::toUnicode('a'));
-        $this->assertEquals('\uc0{\u8364}', String::toUnicode('€'));
-        $this->assertEquals('\uc0{\u233}', String::toUnicode('é'));
+        $this->assertEquals('a', SharedString::toUnicode('a'));
+        $this->assertEquals('\uc0{\u8364}', SharedString::toUnicode('€'));
+        $this->assertEquals('\uc0{\u233}', SharedString::toUnicode('é'));
     }
 
     /**
@@ -68,6 +68,6 @@ public function testToUnicode()
      */
     public function testRemoveUnderscorePrefix()
     {
-        $this->assertEquals('item', String::removeUnderscorePrefix('_item'));
+        $this->assertEquals('item', SharedString::removeUnderscorePrefix('_item'));
     }
 }