fix broken test

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1893424 13f79535-47bb-0310-9956-ffa450edef68

poi-ooxml/src/test/java/org/apache/poi/xdgf/extractor/TestXDGFVisioExtractor.java

@@ -51,9 +51,6 @@ class TestXDGFVisioExtractor {
 
     @Test
     void testGetSimpleText() throws IOException {
-        new XDGFVisioExtractor(xml).close();
-        new XDGFVisioExtractor(pkg).close();
-
         XDGFVisioExtractor extractor = new XDGFVisioExtractor(xml);
         extractor.getText();