From 341db2ada3959e18230a4904de0e8db18575fd0a Mon Sep 17 00:00:00 2001
From: Steve Peters <scpeters@openrobotics.org>
Date: Fri, 7 May 2021 15:58:57 -0700
Subject: [PATCH] process qt events to allow scene to initialize

Signed-off-by: Steve Peters <scpeters@openrobotics.org>
---
 test/integration/scene3d.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/test/integration/scene3d.cc b/test/integration/scene3d.cc
index 78fac6d10..5a78cc096 100644
--- a/test/integration/scene3d.cc
+++ b/test/integration/scene3d.cc
@@ -95,6 +95,15 @@ TEST(Scene3DTest, IGN_UTILS_TEST_ENABLED_ONLY_ON_LINUX(Config))
   auto engine = rendering::engine("ogre");
   ASSERT_NE(nullptr, engine);
 
+  int sleep = 0;
+  int maxSleep = 30;
+  while (0 == engine->SceneCount() && sleep < maxSleep)
+  {
+    std::this_thread::sleep_for(std::chrono::milliseconds(100));
+    QCoreApplication::processEvents();
+    sleep++;
+  }
+
   EXPECT_EQ(1u, engine->SceneCount());
   auto scene = engine->SceneByName("banana");
   ASSERT_NE(nullptr, scene);