Change function signature and remove fixtures

lib/sensiplan.js

@@ -1,7 +1,6 @@
-function getTemperatureStatus(targetDateString, previousDaysInCycle) {
-  const tempValues = previousDaysInCycle
-    .filter(day => day.temperature)
-    .map(day => !day.temperature.exclude && rounded(day.temperature.value, 0.05))
+function detectTemperatureShift(temperaturesOfCycle) {
+  // sensiplan rounds temps to the nearest 0.05
+  const tempValues = temperaturesOfCycle.map(val => rounded(val, 0.05))
 
   let detectingPotentialHighLevel = false
 
@@ -49,5 +48,5 @@ function rounded(val, step) {
 }
 
 export {
-  getTemperatureStatus
+  detectTemperatureShift
 }