PDFBOX-5660: Sonar fix

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1925051 13f79535-47bb-0310-9956-ffa450edef68

Author: THausherr

xmpbox/src/test/java/org/apache/xmpbox/DateConverterTest.java

@@ -60,21 +60,18 @@ void testDateConversion() throws IOException
 
         assertThrows(IOException.class, () -> DateConverter.toCalendar("123"));
 
-        //Test missing seconds
+        // Test missing seconds
         assertEquals(DateConverter.toCalendar("2015-12-08T12:07:00-05:00"),
                      DateConverter.toCalendar("2015-12-08T12:07-05:00"));
         assertEquals(DateConverter.toCalendar("2011-11-20T10:09:00Z"),
                      DateConverter.toCalendar("2011-11-20T10:09Z"));
 
         // Test some time zone offsets
-        String testString1 = "";
-        String testString2 = "";
-
         DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm[:ss][.SSS][XXX]");
 
         //Test missing seconds
-        testString1 = "2015-12-08T12:07:00-05:00";
-        testString2 = "2015-12-08T12:07-05:00";
+        String testString1 = "2015-12-08T12:07:00-05:00";
+        String testString2 = "2015-12-08T12:07-05:00";
 
         assertEquals(DateConverter.toCalendar(testString1), DateConverter.toCalendar(testString2));
         assertEquals(DateConverter.toCalendar(testString1).toInstant(),ZonedDateTime.parse(testString1, dateTimeFormatter).toInstant());