Added tests for capturing createdAt values and list function behavior

example/src/LaunchScreen.tsx

@@ -83,17 +83,28 @@ export default function LaunchScreen(
       <View key="run-tests" style={{ margin: 16 }}>
         <Button
           title="Run All Unit Tests"
-          onPress={() => navigation.navigate('test', { onlyGroups: false })}
+          onPress={() => navigation.navigate('test', { testSelection: 'all' })}
           accessibilityLabel="Unit-tests"
         />
       </View>
       <View key="run-group-tests" style={{ margin: 16 }}>
         <Button
           title="Run Group Unit Tests"
-          onPress={() => navigation.navigate('test', { onlyGroups: true })}
+          onPress={() =>
+            navigation.navigate('test', { testSelection: 'groups' })
+          }
           accessibilityLabel="Unit-group-tests"
         />
       </View>
+      <View key="run-created-at-tests" style={{ margin: 16 }}>
+        <Button
+          title="Run Created At Unit Tests"
+          onPress={() =>
+            navigation.navigate('test', { testSelection: 'createdAt' })
+          }
+          accessibilityLabel="Unit-created-at-tests"
+        />
+      </View>
       <View style={styles.divider} />
       <Text style={styles.title}>Test Conversations</Text>
       <View style={styles.row}>

example/src/Navigation.tsx

@@ -2,7 +2,7 @@ import { createNativeStackNavigator } from '@react-navigation/native-stack'
 
 export type NavigationParamList = {
   launch: undefined
-  test: { onlyGroups?: boolean }
+  test: { testSelection?: 'groups' | 'createdAt' | 'all' }
   home: undefined
   group: { id: string }
   conversation: { topic: string }

example/src/TestScreen.tsx

@@ -2,6 +2,7 @@ import { useRoute } from '@react-navigation/native'
 import React, { useEffect, useState } from 'react'
 import { View, Text, Button, ScrollView } from 'react-native'
 
+import { createdAtTests } from './tests/createdAtTests'
 import { groupTests } from './tests/groupTests'
 import { tests, Test } from './tests/tests'
 
@@ -100,16 +101,31 @@ function TestView({
 export default function TestScreen(): JSX.Element {
   const [completedTests, setCompletedTests] = useState<number>(0)
   const route = useRoute()
-  const params = route.params as { onlyGroups: boolean }
-  const allTests = tests.concat(groupTests)
-  const activeTests = params.onlyGroups ? groupTests : allTests
+  const params = route.params as {
+    testSelection: 'groups' | 'createdAt' | 'all'
+  }
+  const allTests = tests.concat(groupTests).concat(createdAtTests)
+  let activeTests, title
+  switch (params.testSelection) {
+    case 'groups':
+      activeTests = groupTests
+      title = 'Group Unit Tests'
+      break
+    case 'createdAt':
+      activeTests = createdAtTests
+      title = 'Created At Unit Tests'
+      break
+    default:
+      activeTests = allTests
+      title = 'All Unit Tests'
+  }
 
   return (
     <ScrollView>
       <View>
         <View style={{ padding: 12 }}>
           <Text testID="Test View" accessible accessibilityLabel="Test View">
-            {params.onlyGroups ? 'Group Unit Tests' : 'All Unit Tests'}
+            {title}
           </Text>
           <View
             style={{ flexDirection: 'row', justifyContent: 'space-between' }}