Add E2E Snapshot Tests for FlatList

[chiaramooney]

Add E2E Jest Snapshot Tests for FlatList. Tests should exist as samples within RNTester.

STATUS TYPES

Status	Description
Not Implemented	Prop is not implemented for given architecture.
Not Completed	No test or sample exists for the prop.
Sample Completed	Sample exists for the prop, but sample is not run in a Jest Snapshot Test.
Completed	Sample and Snapshot test exists for the prop.

PROPS STATUS FOR FLATLIST

Test Description	Status (Paper)	Status (Fabric)	Notes
Default	Sample Completed – RNTester	Completed
AccessibilityHint	Not Completed	Not Completed
AccessibilityLabel	Not Completed	Not Completed
AccessibilityActions	Not Completed	Not Completed
AccessibilityRole	Not Completed	Completed
AccessibilityValue	Not Completed	Not Completed
ImportantforAccessibility – no-hide-descendants	Not Completed	Not Completed
testID	Sample Completed - RN Tester	Completed
Style – backgroundColor	Not Completed	Completed
Style – borderBottomColor	Not Implemented	Not Completed
Style – borderBottomEndRadius	Not Completed	Not Completed
Style –borderBottomLeftRadius	Not Completed	Not Completed
Style – borderBottomRightRadius	Not Completed	Not Completed
Style – borderBottomStartRadius	Not Completed	Not Completed
Style – borderBottomWidth	Not Completed	Not Completed
Style – borderColor	Not Completed	Not Completed
Style – borderEndColor	Not Implemented	Not Completed
Style – borderLeftColor	Not Implemented	Not Completed
Style – borderLeftWidth	Not Completed	Not Completed
Style – borderRadius	Not Completed	Not Completed
Style – borderRightColor	Not Implemented	Not Completed
Style – borderStartColor	Not Implemented	Not Completed
Style – borderStyle	Not Implemented	Not Completed
Style – borderTopColor	Not Implemented	Not Completed
Style – borderTopEndRadius	Not Completed	Not Completed
Style – borderTopLeftRadius	Not Completed	Not Completed
Style – borderTopRightRadius	Not Completed	Not Completed
Style – borderTopStartRadius	Not Completed	Not Completed
Style – borderTopWidth	Not Completed	Not Completed
Style – borderWidth	Not Completed	Not Completed
Style – elevation	Not Implemented	Not Completed
Style – opacity	Not Completed	Not Completed
Accessible	Not Completed	Not Completed
Focusable	Not Completed	Not Completed
HitSlop	Not Completed	Not Completed
NativeID	Not Completed	Not Completed
NextFocus*	Not Completed	Not Completed
onAccessibilityAction	Not Completed	Not Completed
onAccessibilityTab	Not Completed	Not Completed
onAccessibilityEscape	Not Completed	Not Completed
onLayout	Not Completed	Not Completed
onMoveShoudlSetResponder	Not Completed	Not Completed
onMoveShouldSetResponderCapture	Not Completed	Not Completed
onResponderGrant	Not Completed	Not Completed
onResponderMove	Not Completed	Not Completed
onResponserReject	Not Completed	Not Completed
onResponderRelease	Not Completed	Not Completed
onResponderTerminate	Not Completed	Not Completed
onResponderTerminationRequest	Not Completed	Not Completed
onStartShouldSetResponder	Not Completed	Not Completed
onStartShouldSetResponderCatpure	Not Completed	Not Completed
pointerEvents	Not Completed	Not Completed
removeClippedSubviews	Not Completed	Not Completed
ItemSeperatorComponent	Sample Completed - RN Tester	Completed
ListEmptyComponent	Sample Completed - RN Tester	Completed
ListItemComponent	Sample Completed - RN Tester	Completed
ListFooterComponent	Sample Completed - RN Tester	Completed
ListFooterComponentStyle	Not Completed	Not Completed
ListHeaderComponent	Not Completed	Completed
ListHeaderComponentStyle	Not Completed	Not Completed
contentContainerStyle	Not Completed	Completed
columnWrapperStyle	Not Completed	Not Completed
extraData	Not Completed	Not Completed
getItemLayout	Sample Completed - RN Tester	Completed
Horizontal	Not Completed	Completed
initialNumToRender	Not Completed	Not Completed
initialScrollIndex	Not Completed	Completed
Inverted	Not Completed	Completed
keyExtractor	Sample Completed - RN Tester	[x Completed
numColumns	Sample Completed - RN Tester	Completed
onStartReached	Not Completed	Completed
onEndReached	Not Completed	Completed
onEndReachedThreshold	Not Completed	Not Completed
onRefresh	Sample Completed - RN Tester	Completed
onScroll	Sample Completed - RN Tester	Completed
onScrollToIndexFailed	Sample Completed - RN Tester	Completed
onViewableItemsChanged	Not Completed	Completed
progressViewOffset	Not Completed	Not Completed
Refreshing	Sample Completed - RN Tester	Completed
viewabilityConfig	Not Completed	Completed
viewabilityConfigCallbackPairs	Not Completed	Not Completed
flashScrollIndicators()	Not Completed	Not Completed
getNativeScrollRef()	Not Completed	Not Completed
getScrollResponder()	Not Completed	Not Completed
getScrollableNode()	Not Completed	Not Completed
recordInteraction()	Not Completed	Not Completed
scrollToEnd()	Not Completed	Not Completed
scrollToIndex()	Not Completed	Not Completed
scrollToItem()	Not Completed	Not Completed
scrollToOffset()	Not Completed	Not Completed
disableVirtualization	Not Completed	Completed
maintainVisibleContentPostion	Not Completed	Completed