MAGETWO-95934: Can't upload Watermark Image

- Added newline

Author: nathanjosiah

app/code/Magento/Theme/Test/Mftf/Section/AdminDesignConfigSection.xml

@@ -15,4 +15,4 @@
         <element name="imageUploadInputByFieldsetName" type="input" selector="//*[contains(@class,'fieldset-wrapper')][child::*[contains(@class,'fieldset-wrapper-title')]//*[contains(text(),'{{arg1}}')]]//*[contains(@class,'file-uploader')]//input" parameterized="true"/>
         <element name="imageUploadPreviewByFieldsetName" type="input" selector="//*[contains(@class,'fieldset-wrapper')][child::*[contains(@class,'fieldset-wrapper-title')]//*[contains(text(),'{{arg1}}')]]//*[contains(@class,'file-uploader-preview')]//img" parameterized="true"/>
     </section>
-</sections>
+</sections>