fix typo

Author: sunderme

src/tests/latexparsing_t.cpp

@@ -721,7 +721,7 @@ void LatexParsingTest::test_getArg2_data() {
                                             << (QList<int>()<<0)
                                             << (QStringList() <<"hyperref");
     // issue 2843
-    QTest::newRow("text command, multi-line with keyval") << "\documentclass[xcolor={table,\nsvgnames}]{beamer}"
+    QTest::newRow("text command, multi-line with keyval") << "\\documentclass[xcolor={table,\nsvgnames}]{beamer}"
                                                                                      << (ATypes() <<ArgumentList::Mandatory)
                                                                                      << (QList<int>()<<0)
                                                                                      << (QStringList() <<"beamer");