[iquery] Fix flaky test due to slow component startup.

Sometimes it takes a long time for components to start up, and this
change removes the short timeout to allow them more time to start.

FLK-242: #done
Change-Id: I537cf51cc8f297c9f2b0666a3f2e4943311b3cde
diff --git a/garnet/bin/iquery/testing/test.cc b/garnet/bin/iquery/testing/test.cc
index 36d98da..8709676 100644
--- a/garnet/bin/iquery/testing/test.cc
+++ b/garnet/bin/iquery/testing/test.cc
@@ -48,7 +48,7 @@
     // to it.
     bool ready = false;
     controller_.events().OnDirectoryReady = [&ready] { ready = true; };
-    RunLoopWithTimeoutOrUntil([&ready] { return ready; }, zx::sec(10));
+    RunLoopUntil([&ready] { return ready; });
 
     SetUpHubPath();
   }