Renaming cervixPeak in cervixPeakBeforeShift bc it mustn't be the highest cervix value

lib/sympto/cervix.js

@@ -27,7 +27,7 @@ export default function (cycleDays, tempEvalEndIndex) {
     if (onlyClosedAndHardUntilEndOfTempEval) {
       return {
         detected: true,
-        cervixPeak: day,
+        cervixPeakBeforeShift: day,
         evaluationCompleteDay: threeFollowingDays[threeFollowingDays.length - 1]
       }
     }

test/sympto/cervix-temp.spec.js

@@ -142,9 +142,9 @@ describe('sympto', () => {
           start: { date: '2018-06-17', time: '18:00' },
           cycleDays: tempAndCervixEvalEndOnSameDay
             .filter(({date}) => date >= '2018-06-17')
+          expect(status.cervixShift.cervixPeakBeforeShift.date).to.eql('2018-06-14')
         })
         expect(status.cervixShift.detected).to.be.true()
-        expect(status.cervixShift.cervixPeak.date).to.eql('2018-06-14')
         expect(status.cervixShift.evaluationCompleteDay.date).to.eql('2018-06-17')
       })
 

test/sympto/cervix.spec.js

@@ -35,7 +35,7 @@ describe('sympto', () => {
       const status = getCervixStatus(values)
       expect(status).to.eql({
         detected: true,
-        cervixPeak: {
+        cervixPeakBeforeShift: {
           date: 13,
           cervix: {
             isHard: true,
@@ -58,7 +58,7 @@ describe('sympto', () => {
       const status = getCervixStatus(values)
       expect(status).to.eql({
         detected: true,
-        cervixPeak: {
+        cervixPeakBeforeShift: {
           date: 0,
           cervix: {
             isHard: false,