Added a test case in CitationKeyGeneratorTest.java file

src/test/java/org/jabref/logic/citationkeypattern/CitationKeyGeneratorTest.java

@@ -17,7 +17,6 @@
 import org.junit.jupiter.params.provider.CsvSource;
 import org.junit.jupiter.params.provider.MethodSource;
 import org.mockito.Answers;
-
 import static org.jabref.logic.citationkeypattern.CitationKeyGenerator.DEFAULT_UNWANTED_CHARACTERS;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
@@ -131,6 +130,15 @@ void crossrefAndInAuthorNames() {
                         database), DEFAULT_UNWANTED_CHARACTERS));
     }
 
+    @Test
+    void testLatexCommandsAreStrippedFromCitationKey() throws ParseException {
+        BibEntry entry = new BibEntry()
+                .withField(StandardField.TITLE, "Building \\mkbibquote{Community}");
+        String pattern = "[title]";
+        String generatedKey = generateKey(entry, pattern);
+        assertEquals("BuildingCommunity", generatedKey);
+    }
+
     @Test
     void andAuthorNames() throws ParseException {
         String bibtexString = "@ARTICLE{whatevery, author={Mari D. Herland and Mona-Iren Hauge and Ingeborg M. Helgeland}}";