fix: address unit testing issues

Author: zikunz

src/test/java/org/jabref/logic/journals/JournalAbbreviationRepositoryTest.java

@@ -408,8 +408,8 @@ void dotlessForPhysRevB() {
 
     @ParameterizedTest
     @MethodSource("provideAbbreviationTestCases")
-    void fuzzyMatch(List<Abbreviation> abbreviationList, String input, String expectedAbbreviation, String expectedDotless, String expectedShortest, String ambiguousInput) {
-        repository.addCustomAbbreviations(Set.copyOf(abbreviationList));
+    void fuzzyMatch(Set<Abbreviation> abbreviationSet, String input, String expectedAbbreviation, String expectedDotless, String expectedShortest, String ambiguousInput) {
+        repository.addCustomAbbreviations(abbreviationSet);
 
         assertEquals(expectedAbbreviation, repository.getDefaultAbbreviation(input).orElse("WRONG"));