New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/editor/editor_tests_support/helpers.hpp

@@ -0,0 +1,32 @@
+#pragma once
+
+#include "editor/osm_editor.hpp"
+
+#include "indexer/editable_map_object.hpp"
+
+#include "base/assert.hpp"
+
+#include <memory>
+
+namespace editor
+{
+namespace tests_support
+{
+void SetUpEditorForTesting(std::unique_ptr<osm::Editor::Delegate> delegate);
+void TearDownEditorForTesting();
+
+template <typename Fn>
+void EditFeature(FeatureType & ft, Fn && fn)
+{
+  auto & editor = osm::Editor::Instance();
+
+  osm::EditableMapObject emo;
+  emo.SetFromFeatureType(ft);
+  emo.SetEditableProperties(editor.GetEditableProperties(ft));
+
+  fn(emo);
+
+  CHECK_EQUAL(editor.SaveEditedFeature(emo), osm::Editor::SaveResult::SavedSuccessfully, ());
+}
+}  // namespace tests_support
+}  // namespace editor