String id = "TEST:0001";
t.setId(id);
t.addClause(new Clause(OboFormatTag.TAG_ID, id));
String comment = "Comment with a '{' curly braces '}'";
t.addClause(new Clause(OboFormatTag.TAG_COMMENT, comment));
doc.addFrame(t);
String oboString = renderOboToString(doc);
assertTrue(oboString
.contains("comment: Comment with a '\\{' curly braces '}'"));
OBODoc doc2 = parseOboToString(oboString);
assertEquals(comment,