All tests are now working

...ing-location/components/hydrograph/data-indicator.test.js

...ring-location/components/hydrograph/date-controls.test.js

...nitoring-location/components/hydrograph/graph-controls.js

...ing-location/components/hydrograph/graph-controls.test.js

...cripts/monitoring-location/components/hydrograph/index.js

...s/monitoring-location/components/hydrograph/index.test.js

.../monitoring-location/components/hydrograph/legend.test.js

...ring-location/components/hydrograph/method-picker.test.js

...itoring-location/components/hydrograph/parameters.test.js

...oring-location/components/hydrograph/selectors/iv-data.js

...-location/components/hydrograph/selectors/iv-data.test.js

...g-location/components/hydrograph/selectors/legend-data.js

...ation/components/hydrograph/selectors/legend-data.test.js

...ation/components/hydrograph/selectors/time-series-data.js

.../components/hydrograph/selectors/time-series-data.test.js