Make sure that JabRef#2334 is fixed

CHANGELOG.md

@@ -26,6 +26,8 @@ We refer to [GitHub issues](https://github.com/JabRef/jabref/issues) by using `#
   The pattern can be specified in the settings like the filename pattern. [#1092](https://github.com/JabRef/jabref/issues/1092)
 
 ### Fixed
+- We fixed a few groups related issues:
+  - "Remove entries from group" no longer removes entries from groups with similar names. [#2334](https://github.com/JabRef/jabref/issues/2334)
 - We fixed an issue which prevented JabRef from closing using the "Quit" menu command. [#2336](https://github.com/JabRef/jabref/issues/2336)
 - We fixed an issue where the file permissions of the .bib-file were changed upon saving [#2279](https://github.com/JabRef/jabref/issues/2279).
 - We fixed an issue which prevented that a database was saved successfully if JabRef failed to generate new BibTeX-keys [#2285](https://github.com/JabRef/jabref/issues/2285).

src/test/java/net/sf/jabref/model/groups/ExplicitGroupTest.java

@@ -55,4 +55,21 @@ public void addDuplicateGroupDoesNotChangeGroupsField() throws Exception {
         assertEquals(Optional.of("myExplicitGroup"), entry.getField(FieldName.GROUPS));
     }
 
+    @Test
+    // For https://github.com/JabRef/jabref/issues/2334
+    public void removeDoesNotChangeFieldIfContainsNameAsPart() throws Exception {
+        entry.setField(FieldName.GROUPS, "myExplicitGroup_alternative");
+        group.remove(entry);
+
+        assertEquals(Optional.of("myExplicitGroup_alternative"), entry.getField(FieldName.GROUPS));
+    }
+
+    @Test
+    // For https://github.com/JabRef/jabref/issues/2334
+    public void removeDoesNotChangeFieldIfContainsNameAsWord() throws Exception {
+        entry.setField(FieldName.GROUPS, "myExplicitGroup alternative");
+        group.remove(entry);
+
+        assertEquals(Optional.of("myExplicitGroup alternative"), entry.getField(FieldName.GROUPS));
+    }
 }