fix unit tests

extension/Tests/Unit/Core/Helper/HelperFormElementTest.php

@@ -201,58 +201,6 @@ class HelperFormElementTest extends TestCase {
         $this->assertEquals('{"red":18,"green":52,"blue":86}', $result, "Expect white");
     }
 
-    public function testTextareaAutoHeight() {
-
-        $result = HelperFormElement::textareaAutoHeight([], '');
-        $this->assertEquals('1', $result);
-
-        $result = HelperFormElement::textareaAutoHeight([1], '');
-        $this->assertEquals('1', $result);
-
-        $result = HelperFormElement::textareaAutoHeight([1, 0], '');
-        $this->assertEquals('1', $result);
-
-        $result = HelperFormElement::textareaAutoHeight([1, 1], '');
-        $this->assertEquals('1', $result);
-
-        $result = HelperFormElement::textareaAutoHeight([1, 2], '');
-        $this->assertEquals('2', $result);
-
-
-        $result = HelperFormElement::textareaAutoHeight([], 'Expect white\nExpect white Expect white Expect white\nExpect white');
-        $this->assertEquals('1', $result);
-
-        $result = HelperFormElement::textareaAutoHeight([20], 'Expect white\nExpect white Expect white Expect white\nExpect white');
-        $this->assertEquals('1', $result);
-
-        $result = HelperFormElement::textareaAutoHeight([20, 0], 'Expect white\nExpect white Expect white Expect white\nExpect white');
-        $this->assertEquals('1', $result);
-
-        $result = HelperFormElement::textareaAutoHeight([20, 1], 'Expect white\nExpect white Expect white Expect white\nExpect white');
-        $this->assertEquals('1', $result);
-
-        $result = HelperFormElement::textareaAutoHeight([20, 2], 'Expect white\nExpect white Expect white Expect white\nExpect white');
-        $this->assertEquals('2', $result);
-
-
-
-
-        $result = HelperFormElement::textareaAutoHeight([1, 1, 1], '');
-        $this->assertEquals('1', $result);
-
-        $result = HelperFormElement::textareaAutoHeight([20, 1, 10], 'one line');
-        $this->assertEquals('1', $result);
-
-        $result = HelperFormElement::textareaAutoHeight([20, 1, 2], "Expect white\nExpect white\nExpect white");
-        $this->assertEquals('2', $result);
-
-        $result = HelperFormElement::textareaAutoHeight([20, 1, 10], "Expect white\nExpect white\nExpect white");
-        $this->assertEquals('3', $result);
-
-        $result = HelperFormElement::textareaAutoHeight([20, 1, 10], "Expect white\nExpect white Expect white Expect white\nExpect white");
-        $this->assertEquals('4', $result);
-    }
-
     /**
      * @expectedException \UserFormException
      *