diff --git a/tests/PhpWordTests/Style/TextBoxTest.php b/tests/PhpWordTests/Style/TextBoxTest.php
index 3c1c2436..76688377 100644
--- a/tests/PhpWordTests/Style/TextBoxTest.php
+++ b/tests/PhpWordTests/Style/TextBoxTest.php
@@ -2,16 +2,13 @@
 /**
  * This file is part of PHPWord - A pure PHP library for reading and writing
  * word processing documents.
- *
  * PHPWord is free software distributed under the terms of the GNU Lesser
  * General Public License version 3 as published by the Free Software Foundation.
- *
  * For the full copyright and license information, please read the LICENSE
  * file that was distributed with this source code. For the full list of
  * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
  *
  * @see         https://github.com/PHPOffice/PHPWord
- *
  * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
  */
 
@@ -20,15 +17,15 @@ namespace PhpOffice\PhpWordTests\Style;
 use InvalidArgumentException;
 use PhpOffice\PhpWord\SimpleType\Jc;
 use PhpOffice\PhpWord\Style\TextBox;
+use PHPUnit\Framework\TestCase;
 
 /**
  * Test class for PhpOffice\PhpWord\Style\Image.
  *
  * @coversDefaultClass \PhpOffice\PhpWord\Style\Image
- *
  * @runTestsInSeparateProcesses
  */
-class TextBoxTest extends \PHPUnit\Framework\TestCase
+class TextBoxTest extends TestCase
 {
     /**
      * Test setting style with normal value.
@@ -38,23 +35,24 @@ class TextBoxTest extends \PHPUnit\Framework\TestCase
         $object = new TextBox();
 
         $properties = [
-            'width' => 200,
-            'height' => 200,
-            'alignment' => Jc::START,
-            'marginTop' => 240,
-            'marginLeft' => 240,
-            'wrappingStyle' => 'inline',
-            'positioning' => 'absolute',
-            'posHorizontal' => 'center',
-            'posVertical' => 'top',
-            'posHorizontalRel' => 'margin',
-            'posVerticalRel' => 'page',
-            'innerMarginTop' => '5',
-            'innerMarginRight' => '5',
+            'width'             => 200,
+            'height'            => 200,
+            'alignment'         => Jc::START,
+            'marginTop'         => 240,
+            'marginLeft'        => 240,
+            'wrappingStyle'     => 'inline',
+            'positioning'       => 'absolute',
+            'posHorizontal'     => 'center',
+            'posVertical'       => 'top',
+            'posHorizontalRel'  => 'margin',
+            'posVerticalRel'    => 'page',
+            'innerMarginTop'    => '5',
+            'innerMarginRight'  => '5',
             'innerMarginBottom' => '5',
-            'innerMarginLeft' => '5',
-            'borderSize' => '2',
-            'borderColor' => 'red',
+            'innerMarginLeft'   => '5',
+            'borderSize'        => '2',
+            'borderColor'       => 'red',
+            'bgColor'           => 'blue',
         ];
         foreach ($properties as $key => $value) {
             $set = "set{$key}";
@@ -72,23 +70,24 @@ class TextBoxTest extends \PHPUnit\Framework\TestCase
         $object = new TextBox();
 
         $properties = [
-            'width' => 200,
-            'height' => 200,
-            'alignment' => Jc::START,
-            'marginTop' => 240,
-            'marginLeft' => 240,
-            'wrappingStyle' => 'inline',
-            'positioning' => 'absolute',
-            'posHorizontal' => 'center',
-            'posVertical' => 'top',
-            'posHorizontalRel' => 'margin',
-            'posVerticalRel' => 'page',
-            'innerMarginTop' => '5',
-            'innerMarginRight' => '5',
+            'width'             => 200,
+            'height'            => 200,
+            'alignment'         => Jc::START,
+            'marginTop'         => 240,
+            'marginLeft'        => 240,
+            'wrappingStyle'     => 'inline',
+            'positioning'       => 'absolute',
+            'posHorizontal'     => 'center',
+            'posVertical'       => 'top',
+            'posHorizontalRel'  => 'margin',
+            'posVerticalRel'    => 'page',
+            'innerMarginTop'    => '5',
+            'innerMarginRight'  => '5',
             'innerMarginBottom' => '5',
-            'innerMarginLeft' => '5',
-            'borderSize' => '2',
-            'borderColor' => 'red',
+            'innerMarginLeft'   => '5',
+            'borderSize'        => '2',
+            'borderColor'       => 'red',
+            'bgColor'           => 'blue',
         ];
         foreach ($properties as $key => $value) {
             $get = "get{$key}";
@@ -305,4 +304,15 @@ class TextBoxTest extends \PHPUnit\Framework\TestCase
         $object->setBorderColor($expected);
         self::assertEquals($expected, $object->getBorderColor());
     }
+
+    /**
+     * Test set/get bgColor.
+     */
+    public function testSetGetBgColor(): void
+    {
+        $expected = 'blue';
+        $object = new TextBox();
+        $object->setBgColor($expected);
+        self::assertEquals($expected, $object->getBgColor());
+    }
 }