fix(web): animate pull refresh indicator (#1337)

web/src/components/SessionList.test.ts

@@ -7,6 +7,7 @@ import {
     filterActiveSessionsOnly,
     getSessionTimeRange,
     getNextSessionVisibleCount,
+    getPullRefreshIndicatorRotation,
     getPreviousSessionVisibleCount,
     getPullToRefreshState,
     getSessionDedupKey,
@@ -514,3 +515,10 @@ describe('getPullToRefreshState', () => {
         expect(getPullToRefreshState(64)).toBe('ready')
     })
 })
+
+describe('getPullRefreshIndicatorRotation', () => {
+    it('turns the pull indicator upward once refresh is ready', () => {
+        expect(getPullRefreshIndicatorRotation('pulling')).toBe(0)
+        expect(getPullRefreshIndicatorRotation('ready')).toBe(180)
+    })
+})