diff --git a/Libraries/Animated/src/__tests__/AnimatedNative-test.js b/Libraries/Animated/src/__tests__/AnimatedNative-test.js
index 8f59d33c57cbb0..d3ff6665cbc81f 100644
--- a/Libraries/Animated/src/__tests__/AnimatedNative-test.js
+++ b/Libraries/Animated/src/__tests__/AnimatedNative-test.js
@@ -81,7 +81,7 @@ describe('Native Animated', () => {
       // via component refs table that we override here.
       c.refs = {
         node: {
-          setNativeProps: jest.genMockFunction(),
+          setNativeProps: jest.fn(),
         },
       };
 
diff --git a/Libraries/Components/Touchable/__tests__/__snapshots__/TouchableHighlight-test.js.snap b/Libraries/Components/Touchable/__tests__/__snapshots__/TouchableHighlight-test.js.snap
index 6028d74aaa8a21..34d71cc12a523e 100644
--- a/Libraries/Components/Touchable/__tests__/__snapshots__/TouchableHighlight-test.js.snap
+++ b/Libraries/Components/Touchable/__tests__/__snapshots__/TouchableHighlight-test.js.snap
@@ -2,15 +2,8 @@
 
 exports[`TouchableHighlight renders correctly 1`] = `
 <View
-  accessibilityComponentType={undefined}
-  accessibilityLabel={undefined}
-  accessibilityTraits={undefined}
   accessible={true}
-  hasTVPreferredFocus={undefined}
-  hitSlop={undefined}
   isTVSelectable={true}
-  nativeID={undefined}
-  onLayout={undefined}
   onResponderGrant={[Function]}
   onResponderMove={[Function]}
   onResponderRelease={[Function]}
@@ -18,8 +11,6 @@ exports[`TouchableHighlight renders correctly 1`] = `
   onResponderTerminationRequest={[Function]}
   onStartShouldSetResponder={[Function]}
   style={Object {}}
-  testID={undefined}
-  tvParallaxProperties={undefined}
 >
   <Text
     style={null}
diff --git a/Libraries/Lists/__tests__/__snapshots__/FlatList-test.js.snap b/Libraries/Lists/__tests__/__snapshots__/FlatList-test.js.snap
index 837ef99b1f12b9..ac09453b555fee 100644
--- a/Libraries/Lists/__tests__/__snapshots__/FlatList-test.js.snap
+++ b/Libraries/Lists/__tests__/__snapshots__/FlatList-test.js.snap
@@ -31,7 +31,6 @@ exports[`FlatList renders all the bells and whistles 1`] = `
   getItemLayout={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   numColumns={2}
@@ -46,7 +45,6 @@ exports[`FlatList renders all the bells and whistles 1`] = `
   refreshControl={
     <RefreshControlMock
       onRefresh={[MockFunction]}
-      progressViewOffset={undefined}
       refreshing={false}
     />
   }
@@ -67,7 +65,6 @@ exports[`FlatList renders all the bells and whistles 1`] = `
       <header />
     </View>
     <View
-      onLayout={undefined}
       style={null}
     >
       <View
@@ -90,7 +87,6 @@ exports[`FlatList renders all the bells and whistles 1`] = `
       <separator />
     </View>
     <View
-      onLayout={undefined}
       style={null}
     >
       <View
@@ -113,7 +109,6 @@ exports[`FlatList renders all the bells and whistles 1`] = `
       <separator />
     </View>
     <View
-      onLayout={undefined}
       style={null}
     >
       <View
@@ -149,7 +144,6 @@ exports[`FlatList renders empty list 1`] = `
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   numColumns={1}
@@ -173,13 +167,11 @@ exports[`FlatList renders empty list 1`] = `
 
 exports[`FlatList renders null list 1`] = `
 <RCTScrollView
-  data={undefined}
   disableVirtualization={false}
   getItem={[Function]}
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   numColumns={1}
@@ -221,7 +213,6 @@ exports[`FlatList renders simple list 1`] = `
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   numColumns={1}
diff --git a/Libraries/Lists/__tests__/__snapshots__/SectionList-test.js.snap b/Libraries/Lists/__tests__/__snapshots__/SectionList-test.js.snap
index ec57ef42dc6c31..f47dd4e8d62603 100644
--- a/Libraries/Lists/__tests__/__snapshots__/SectionList-test.js.snap
+++ b/Libraries/Lists/__tests__/__snapshots__/SectionList-test.js.snap
@@ -2,7 +2,6 @@
 
 exports[`SectionList rendering empty section headers is fine 1`] = `
 <RCTScrollView
-  ItemSeparatorComponent={undefined}
   data={
     Array [
       Object {
@@ -23,7 +22,6 @@ exports[`SectionList rendering empty section headers is fine 1`] = `
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -33,7 +31,6 @@ exports[`SectionList rendering empty section headers is fine 1`] = `
   onScroll={[Function]}
   onScrollBeginDrag={[Function]}
   onScrollEndDrag={[Function]}
-  onViewableItemsChanged={undefined}
   renderItem={[Function]}
   renderSectionHeader={[Function]}
   scrollEventThrottle={50}
@@ -92,7 +89,6 @@ exports[`SectionList rendering empty section headers is fine 1`] = `
 
 exports[`SectionList renders a footer when there is no data 1`] = `
 <RCTScrollView
-  ItemSeparatorComponent={undefined}
   data={
     Array [
       Object {
@@ -106,7 +102,6 @@ exports[`SectionList renders a footer when there is no data 1`] = `
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -116,7 +111,6 @@ exports[`SectionList renders a footer when there is no data 1`] = `
   onScroll={[Function]}
   onScrollBeginDrag={[Function]}
   onScrollEndDrag={[Function]}
-  onViewableItemsChanged={undefined}
   renderItem={[Function]}
   renderSectionFooter={[Function]}
   renderSectionHeader={[Function]}
@@ -161,7 +155,6 @@ exports[`SectionList renders a footer when there is no data 1`] = `
 
 exports[`SectionList renders a footer when there is no data and no header 1`] = `
 <RCTScrollView
-  ItemSeparatorComponent={undefined}
   data={
     Array [
       Object {
@@ -175,7 +168,6 @@ exports[`SectionList renders a footer when there is no data and no header 1`] =
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -185,7 +177,6 @@ exports[`SectionList renders a footer when there is no data and no header 1`] =
   onScroll={[Function]}
   onScrollBeginDrag={[Function]}
   onScrollEndDrag={[Function]}
-  onViewableItemsChanged={undefined}
   renderItem={[Function]}
   renderSectionFooter={[Function]}
   scrollEventThrottle={50}
@@ -225,7 +216,6 @@ exports[`SectionList renders a footer when there is no data and no header 1`] =
 
 exports[`SectionList renders all the bells and whistles 1`] = `
 <RCTScrollView
-  ItemSeparatorComponent={undefined}
   ListEmptyComponent={[Function]}
   ListFooterComponent={[Function]}
   ListHeaderComponent={[Function]}
@@ -275,7 +265,6 @@ exports[`SectionList renders all the bells and whistles 1`] = `
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={Infinity}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -286,11 +275,9 @@ exports[`SectionList renders all the bells and whistles 1`] = `
   onScroll={[Function]}
   onScrollBeginDrag={[Function]}
   onScrollEndDrag={[Function]}
-  onViewableItemsChanged={undefined}
   refreshControl={
     <RefreshControlMock
       onRefresh={[MockFunction]}
-      progressViewOffset={undefined}
       refreshing={false}
     />
   }
@@ -509,14 +496,12 @@ exports[`SectionList renders all the bells and whistles 1`] = `
 
 exports[`SectionList renders empty list 1`] = `
 <RCTScrollView
-  ItemSeparatorComponent={undefined}
   data={Array []}
   disableVirtualization={false}
   getItem={[Function]}
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -526,7 +511,6 @@ exports[`SectionList renders empty list 1`] = `
   onScroll={[Function]}
   onScrollBeginDrag={[Function]}
   onScrollEndDrag={[Function]}
-  onViewableItemsChanged={undefined}
   renderItem={[Function]}
   scrollEventThrottle={50}
   sections={Array []}
diff --git a/Libraries/Lists/__tests__/__snapshots__/VirtualizedList-test.js.snap b/Libraries/Lists/__tests__/__snapshots__/VirtualizedList-test.js.snap
index 9cf5c2d9ea29a8..cb1a86d7180568 100644
--- a/Libraries/Lists/__tests__/__snapshots__/VirtualizedList-test.js.snap
+++ b/Libraries/Lists/__tests__/__snapshots__/VirtualizedList-test.js.snap
@@ -17,7 +17,6 @@ exports[`VirtualizedList handles nested lists 1`] = `
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -54,7 +53,6 @@ exports[`VirtualizedList handles nested lists 1`] = `
         getItemCount={[Function]}
         horizontal={false}
         initialNumToRender={10}
-        invertStickyHeaders={undefined}
         keyExtractor={[Function]}
         maxToRenderPerBatch={10}
         onContentSizeChange={[Function]}
@@ -108,7 +106,6 @@ exports[`VirtualizedList handles nested lists 1`] = `
         getItemCount={[Function]}
         horizontal={true}
         initialNumToRender={10}
-        invertStickyHeaders={undefined}
         keyExtractor={[Function]}
         maxToRenderPerBatch={10}
         onContentSizeChange={[Function]}
@@ -183,7 +180,6 @@ exports[`VirtualizedList handles separators correctly 1`] = `
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -265,7 +261,6 @@ exports[`VirtualizedList handles separators correctly 2`] = `
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -347,7 +342,6 @@ exports[`VirtualizedList handles separators correctly 3`] = `
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -455,7 +449,6 @@ exports[`VirtualizedList renders all the bells and whistles 1`] = `
   refreshControl={
     <RefreshControlMock
       onRefresh={[MockFunction]}
-      progressViewOffset={undefined}
       refreshing={false}
     />
   }
@@ -495,7 +488,6 @@ exports[`VirtualizedList renders all the bells and whistles 1`] = `
       <header />
     </View>
     <View
-      onLayout={undefined}
       style={
         Array [
           Object {
@@ -517,7 +509,6 @@ exports[`VirtualizedList renders all the bells and whistles 1`] = `
       <separator />
     </View>
     <View
-      onLayout={undefined}
       style={
         Array [
           Object {
@@ -539,7 +530,6 @@ exports[`VirtualizedList renders all the bells and whistles 1`] = `
       <separator />
     </View>
     <View
-      onLayout={undefined}
       style={
         Array [
           Object {
@@ -561,7 +551,6 @@ exports[`VirtualizedList renders all the bells and whistles 1`] = `
       <separator />
     </View>
     <View
-      onLayout={undefined}
       style={
         Array [
           Object {
@@ -583,7 +572,6 @@ exports[`VirtualizedList renders all the bells and whistles 1`] = `
       <separator />
     </View>
     <View
-      onLayout={undefined}
       style={
         Array [
           Object {
@@ -629,7 +617,6 @@ exports[`VirtualizedList renders empty list 1`] = `
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -660,7 +647,6 @@ exports[`VirtualizedList renders empty list with empty component 1`] = `
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -709,7 +695,6 @@ exports[`VirtualizedList renders list with empty component 1`] = `
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -740,13 +725,11 @@ exports[`VirtualizedList renders list with empty component 1`] = `
 
 exports[`VirtualizedList renders null list 1`] = `
 <RCTScrollView
-  data={undefined}
   disableVirtualization={false}
   getItem={[Function]}
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -786,7 +769,6 @@ exports[`VirtualizedList renders simple list 1`] = `
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}
@@ -845,7 +827,6 @@ exports[`VirtualizedList test getItem functionality where data is not an Array 1
   getItemCount={[Function]}
   horizontal={false}
   initialNumToRender={10}
-  invertStickyHeaders={undefined}
   keyExtractor={[Function]}
   maxToRenderPerBatch={10}
   onContentSizeChange={[Function]}