Repository: focus-shift/jollyday (java)

Issue:
Commémoration du Plébiscite missing in Jura
### Affected country

Swizerland - Jura

### Affected public holiday

Commémoration du Plébiscite

### Source of the information

https://de.wikipedia.org/wiki/Feiertage_in_der_Schweiz
https://www.bj.admin.ch/dam/bj/de/data/publiservice/service/zivilprozessrecht/kant-feiertage.pdf.download.pdf/kant-feiertage.pdf
https://www.feiertagskalender.ch/index.php?geo=245&jahr=2023&klasse=5&hl=de

### More information

It is also known as "Commémoration du plébiscite jurassien".
In German it apparently is known as "Fest der Unabhängigkeit Jura" or "Fest der Unabhängigkeit".

Pull request description:
Add day of independence to ch jura
closes #379 

Patch:
diff --git a/jollyday-core/src/main/resources/holidays/Holidays_ch.xml b/jollyday-core/src/main/resources/holidays/Holidays_ch.xml
index f4a7b9cf..67f1460e 100644
--- a/jollyday-core/src/main/resources/holidays/Holidays_ch.xml
+++ b/jollyday-core/src/main/resources/holidays/Holidays_ch.xml
@@ -123,6 +123,7 @@
     <Holidays>
       <Fixed month="JANUARY" day="2" descriptionPropertiesKey="ST_BERCHTHOLD"/>
       <Fixed month="MAY" day="1" descriptionPropertiesKey="LABOUR_DAY"/>
+      <Fixed month="JUNE" day="23" descriptionPropertiesKey="INDEPENDENCE_DAY"/>
       <Fixed month="AUGUST" day="15" descriptionPropertiesKey="ASSUMPTION_DAY"/>
       <Fixed month="NOVEMBER" day="1" descriptionPropertiesKey="ALL_SAINTS"/>
       <ChristianHoliday type="GOOD_FRIDAY" descriptionPropertiesKey="christian.GOOD_FRIDAY"/>


Test patch:
diff --git a/jollyday-tests/src/test/java/de/focus_shift/jollyday/tests/country/HolidayCHTest.java b/jollyday-tests/src/test/java/de/focus_shift/jollyday/tests/country/HolidayCHTest.java
index f610344c..a4e0c47f 100644
--- a/jollyday-tests/src/test/java/de/focus_shift/jollyday/tests/country/HolidayCHTest.java
+++ b/jollyday-tests/src/test/java/de/focus_shift/jollyday/tests/country/HolidayCHTest.java
@@ -55,4 +55,13 @@ class HolidayCHTest extends AbstractCountryTestBase {
       .isNotEmpty()
       .contains(new Holiday(LocalDate.of(year.getValue(), JUNE, 29), "ST_PETER_PAUL", OFFICIAL_HOLIDAY));
   }
+
+  @Property
+  void ensuresThatDayOfIndependenceIsConfiguredInJura(@ForAll @YearRange Year year) {
+    final HolidayManager holidayManager = HolidayManager.getInstance(create(SWITZERLAND));
+    final Set<Holiday> holidays = holidayManager.getHolidays(year.getValue(), "ju");
+    assertThat(holidays)
+      .isNotEmpty()
+      .contains(new Holiday(LocalDate.of(year.getValue(), JUNE, 23), "INDEPENDENCE_DAY", OFFICIAL_HOLIDAY));
+  }
 }
diff --git a/jollyday-tests/src/test/resources/holidays/Holidays_test_ch_2022.xml b/jollyday-tests/src/test/resources/holidays/Holidays_test_ch_2022.xml
index 602d7c3d..f459fa58 100644
--- a/jollyday-tests/src/test/resources/holidays/Holidays_test_ch_2022.xml
+++ b/jollyday-tests/src/test/resources/holidays/Holidays_test_ch_2022.xml
@@ -115,6 +115,7 @@
     <Holidays>
       <Fixed month="JANUARY" day="2" descriptionPropertiesKey="ST_BERCHTHOLD"/>
       <Fixed month="MAY" day="1" descriptionPropertiesKey="LABOUR_DAY"/>
+      <Fixed month="JUNE" day="23" descriptionPropertiesKey="INDEPENDENCE_DAY"/>
       <Fixed month="AUGUST" day="15" descriptionPropertiesKey="ASSUMPTION_DAY"/>
       <Fixed month="NOVEMBER" day="1" descriptionPropertiesKey="ALL_SAINTS"/>
       <Fixed month="APRIL" day="15" descriptionPropertiesKey="christian.GOOD_FRIDAY"/>