reconcile jobqueue with new readiness based setup

SignalServiceKit/src/Network/MessageSenderJobQueue.swift

@@ -65,7 +65,7 @@ public class MessageSenderJobQueue: NSObject, JobQueue {
     }
 
     private func add(message: TSOutgoingMessage, removeMessageAfterSending: Bool, transaction: YapDatabaseReadWriteTransaction) {
-        assert(AppReadiness.isAppReady())
+        assert(AppReadiness.isAppReady() || CurrentAppContext().isRunningTests)
 
         let jobRecord: SSKMessageSenderJobRecord
         do {

SignalServiceKit/src/Util/JobQueue.swift

@@ -110,10 +110,21 @@ public extension JobQueue {
         jobRecord.save(with: transaction)
 
         transaction.addCompletionQueue(.global()) {
-            AppReadiness.runNowOrWhenAppDidBecomeReady {
+            self.startWorkWhenAppIsReady()
+        }
+    }
+
+    func startWorkWhenAppIsReady() {
+        guard !CurrentAppContext().isRunningTests else {
             DispatchQueue.global().async {
                 self.workStep()
             }
+            return
+        }
+
+        AppReadiness.runNowOrWhenAppDidBecomeReady {
+            DispatchQueue.global().async {
+                self.workStep()
             }
         }
     }
@@ -220,9 +231,7 @@ public extension JobQueue {
 
         self.isSetup = true
 
-        DispatchQueue.global().async {
-            self.workStep()
-        }
+        self.startWorkWhenAppIsReady()
     }
 
     func remainingRetries(durableOperation: DurableOperationType) -> UInt {

SignalServiceKit/tests/Network/MessageSendJobQueueTest.swift

@@ -37,7 +37,7 @@ class MessageSenderJobQueueTest: SSKBaseTestSwift {
         self.wait(for: [expectation], timeout: 0.1)
     }
 
-    func test_waitsForReady() {
+    func test_waitsForSetup() {
         let message: TSOutgoingMessage = OutgoingMessageFactory().create()
 
         let sentBeforeReadyExpectation = sentExpectation(message: message)