Prefer raw-string literal instead of quote escaping

Change-Id: Ic13bf5f35cc575c97826763edb3d10b6ac736732
diff --git a/tests/data_query.cpp b/tests/data_query.cpp
index 023f6e6..10524ea 100644
--- a/tests/data_query.cpp
+++ b/tests/data_query.cpp
@@ -99,7 +99,7 @@
 
         SECTION("example-schema:animalWithColor - quotes in values")
         {
-            datastore.createItem("/example-schema:animalWithColor[name='D\"o\"g'][color=\"b'r'own\"]");
+            datastore.createItem(R"(/example-schema:animalWithColor[name='D"o"g'][color="b'r'own"])");
             listPath.m_nodes.emplace_back(module_{"example-schema"}, list_{"animalWithColor"});
             expected = {
                 {{"name", std::string{"D\"o\"g"}}, {"color", std::string{"b'r'own"}}}