diff --git a/tests/test_project_manager.py b/tests/test_project_manager.py
index 9852b962..9fda494a 100644
--- a/tests/test_project_manager.py
+++ b/tests/test_project_manager.py
@@ -53,13 +53,13 @@ class TestProjectManager(unittest.TestCase):
 
     def test_close_all(self):
         self.form.close_all()
-        QTest.qWait(250)
+        QTest.qWait(1000)
         self.assertEqual(self.form.signal_tab_controller.num_signals, 0)
         self.form.add_signalfile(get_path_for_data_file("ask.complex"))
         self.form.add_signalfile(get_path_for_data_file("fsk.complex"))
         self.assertEqual(self.form.signal_tab_controller.num_signals, 2)
         self.form.close_all()
-        QTest.qWait(250)
+        QTest.qWait(1000)
         self.assertEqual(self.form.signal_tab_controller.num_signals, 0)
         self.assertEqual(self.form.project_manager.project_file, None)
 
diff --git a/tests/test_signal_tab_GUI.py b/tests/test_signal_tab_GUI.py
index 4269885f..2e5e5636 100644
--- a/tests/test_signal_tab_GUI.py
+++ b/tests/test_signal_tab_GUI.py
@@ -22,7 +22,7 @@ class TestSignalTabGUI(unittest.TestCase):
 
     def test_close_all(self):
         self.form.close_all()
-        QTest.qWait(250)
+        QTest.qWait(1000)
         self.assertEqual(self.form.signal_tab_controller.num_signals, 0)
 
         # Add a bunch of signals
@@ -33,7 +33,7 @@ class TestSignalTabGUI(unittest.TestCase):
         self.assertEqual(self.form.signal_tab_controller.num_signals, num_signals)
 
         self.form.close_all()
-        QTest.qWait(250)
+        QTest.qWait(1000)
 
         self.form.add_signalfile(get_path_for_data_file("ask.complex"))
         self.assertEqual(self.form.signal_tab_controller.num_signals, 1)
@@ -158,7 +158,7 @@ class TestSignalTabGUI(unittest.TestCase):
         self.assertFalse(os.path.isfile(self.frame.signal.filename))
         self.frame.ui.btnSaveSignal.click()
         self.form.close_signal_frame(self.frame)
-        QTest.qWait(50)
+        QTest.qWait(500)
         self.form.add_signalfile(os.path.join(QDir.tempPath(), "sig.complex"))
         self.assertEqual(self.form.signal_tab_controller.signal_frames[0].signal.num_samples, 3000)
         os.remove(os.path.join(QDir.tempPath(), "sig.complex"))