All tests are working

...ripts/components/dailyValueHydrograph/graph-brush.spec.js

.../components/dailyValueHydrograph/selectors/legend-data.js

...onents/dailyValueHydrograph/selectors/legend-data.spec.js

...components/dailyValueHydrograph/time-series-graph.spec.js

...c/scripts/components/dailyValueHydrograph/tooltip.spec.js

.../src/scripts/components/hydrograph/graph-controls.spec.js

assets/src/scripts/d3-rendering/legend.spec.js

assets/src/scripts/index.spec.js

assets/src/scripts/store/index.spec.js

assets/src/scripts/store/observations.spec.js