update the syncing in the tests

Author: nplasterer

example/src/main/java/org/xmtp/android/example/conversation/ConversationDetailViewModel.kt

@@ -20,6 +20,7 @@ import org.xmtp.android.example.extension.flowWhileShared
 import org.xmtp.android.example.extension.stateFlow
 import org.xmtp.android.library.Conversation
 import org.xmtp.android.library.DecodedMessage
+import org.xmtp.android.library.Group
 
 class ConversationDetailViewModel(private val savedStateHandle: SavedStateHandle) : ViewModel() {
 
@@ -55,6 +56,9 @@ class ConversationDetailViewModel(private val savedStateHandle: SavedStateHandle
                     )
                 }
                 conversation?.let {
+                    if (conversation is Conversation.Group) {
+                        (conversation as Conversation.Group).group.sync()
+                    }
                     listItems.addAll(
                         it.messages().map { message ->
                             MessageListItem.Message(message.id, message)

library/src/androidTest/java/org/xmtp/android/library/GroupMembershipChangeTest.kt

@@ -93,4 +93,17 @@ class GroupMembershipChangeTest {
         )
         assert(content?.membersAddedList.isNullOrEmpty())
     }
+
+    @Test
+    fun testIfNotRegisteredReturnsFallback() {
+        val group = alixClient.conversations.newGroup(
+            listOf(
+                bo.walletAddress.lowercase(),
+                caro.walletAddress.lowercase()
+            )
+        )
+        val messages = group.messages()
+        assertEquals(messages.size, 1)
+        assert(messages.first().fallbackContent.isBlank())
+    }
 }

library/src/androidTest/java/org/xmtp/android/library/GroupTest.kt

@@ -4,6 +4,7 @@ import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
 import app.cash.turbine.test
 import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.runBlocking
 import org.junit.Assert.assertEquals
 import org.junit.Before
 import org.junit.Test
@@ -138,10 +139,13 @@ class GroupTest {
         val group = boClient.conversations.newGroup(listOf(alix.walletAddress.lowercase()))
         group.send("howdy")
         group.send("gm")
+        runBlocking { group.sync() }
         assertEquals(group.messages().first().body, "gm")
         assertEquals(group.messages().size, 3)
 
+        runBlocking { alixClient.conversations.syncGroups() }
         val sameGroup = alixClient.conversations.listGroups().last()
+        runBlocking { sameGroup.sync() }
         assertEquals(sameGroup.messages().size, 2)
         assertEquals(sameGroup.messages().first().body, "gm")
     }
@@ -152,6 +156,7 @@ class GroupTest {
 
         val group = boClient.conversations.newGroup(listOf(alix.walletAddress.lowercase()))
         group.send("gm")
+        runBlocking { group.sync() }
         val messageToReact = group.messages()[0]
 
         val reaction = Reaction(
@@ -162,6 +167,7 @@ class GroupTest {
         )
 
         group.send(content = reaction, options = SendOptions(contentType = ContentTypeReaction))
+        runBlocking { group.sync() }
 
         val messages = group.messages()
         assertEquals(messages.size, 3)

library/src/main/java/org/xmtp/android/library/Client.kt

@@ -257,7 +257,6 @@ class Client() {
         val apiClient =
             GRPCApiClient(environment = newOptions.api.env, secure = newOptions.api.isSecure)
         val v3Client: FfiXmtpClient? = if (isAlphaMlsEnabled(options)) {
-            if (account == null) throw XMTPException("Signing Key required to use groups.")
             runBlocking {
                 ffiXmtpClient(
                     options,