fix up the is active test

Author: nplasterer

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

@@ -121,9 +121,13 @@ class GroupTest {
                 caro.walletAddress
             )
         )
+        runBlocking { caroClient.conversations.syncGroups() }
+        val caroGroup = caroClient.conversations.listGroups().first()
+        assert(caroGroup.isActive())
         assert(group.isActive())
-        group.removeMembers(listOf(bo.walletAddress))
-        assert(!group.isActive())
+        group.removeMembers(listOf(caro.walletAddress))
+        assert(group.isActive())
+        assert(!caroGroup.isActive())
     }
 
     @Test

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

@@ -129,6 +129,7 @@ class Group(val client: Client, private val libXMTPGroup: FfiGroup) {
     }
 
     fun isActive(): Boolean {
+        runBlocking { libXMTPGroup.sync() }
         return libXMTPGroup.isActive()
     }