42     nlohmann::json j = s.makeJson("foo/bar/baz", "value");  in TEST_F()
43     EXPECT_EQ(j["foo"]["bar"]["baz"], "value");  in TEST_F()
49     s.serialize("foo/bar/baz", "value");  in TEST_F()
51     s.deserialize("foo/bar/baz", value);  in TEST_F()
58     s.serialize("foo/bar/baz", "value");  in TEST_F()
66     s2.deserialize("foo/bar/baz", value);  in TEST_F()
73     s.serialize("foo/bar/baz", "value");  in TEST_F()
75     // Calling erase with a nested path like "foo/bar/baz" will not remove  in TEST_F()
77     s.erase("foo/bar/baz");  in TEST_F()
85     s2.deserialize("foo/bar/baz", value);  in TEST_F()
92     s.serialize("foo/bar/baz", "value");  in TEST_F()
93     auto leaf = s.getLeafNode("foo/bar/baz");  in TEST_F()
100     leaf = s.getLeafNode("foo/bar/nonexistent");  in TEST_F()