fix test

Author: axherrm

src/test/java/TestPDFMatcher.java

@@ -167,6 +167,7 @@ void testSignedPDFs(final String urlString, final int expectedSignatureCount, fi
   @ParameterizedTest
   @CsvFileSource(resources = "/pdf/contains-text.csv", numLinesToSkip = 1)
   void testContainsText(final String filePath, final boolean expected, final String language) throws IOException {
+    System.setProperty(PDFMatcher.class.getName() + ".languageCheck", "true");
     System.setProperty(PDFMatcher.class.getName() + ".lookForText", "true");
     Map<String, Object> result = ANALYZER.analyze(new File(filePath));
     assertNotNull(result);
@@ -187,6 +188,7 @@ void testContainsText(final String filePath, final boolean expected, final Strin
       }
       assertTrue(pdfDetails.containsKey(PDFMatcher.TEXT_LANGUAGE_CONFIDENCE_VALUES));
     }
+    System.clearProperty(PDFMatcher.class.getName() + ".languageCheck");
     System.clearProperty(PDFMatcher.class.getName() + ".lookForText");
   }