Test: Improve zip-file validation testcase

CityDoctorParent/CityDoctorValidation/src/test/java/de/hft/stuttgart/citydoctor2/check/CheckerTest.java

@@ -29,7 +29,6 @@ import de.hft.stuttgart.citydoctor2.parser.InvalidGmlFileException;
 import de.hft.stuttgart.citydoctor2.parser.ParserConfiguration;
 import de.hft.stuttgart.citydoctor2.zip.CityGmlZipArchive;
 import de.hft.stuttgart.citydoctor2.zip.CityGmlZipEntry;
-import org.apache.commons.io.FileUtils;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
@@ -144,13 +143,15 @@ public class CheckerTest {
             assertTrue(zipFile.exists());
             assertTrue(pdfDir.exists());
             assertTrue(xmlDir.exists());
+
             assertTrue(pdfDir.isDirectory());
             assertTrue(xmlDir.isDirectory());
             assertEquals(5, pdfDir.listFiles().length);
             assertEquals(5, xmlDir.listFiles().length);
+
             CityGmlZipArchive cgmlArch = CityGmlZipArchive.register(output + ".zip");
             assertNotNull(cgmlArch);
-            cgmlArch.mountArchive(new ParserConfiguration(8, false));
+            cgmlArch.mountArchive(new ParserConfiguration(8, true));
             assertEquals(5, cgmlArch.getEntries().size());
             for (CityGmlZipEntry entry : cgmlArch.getEntries()) {
                 assertNotNull(entry);