diff --git a/pyqtgraph/graphicsItems/tests/test_ErrorBarItem.py b/pyqtgraph/graphicsItems/tests/test_ErrorBarItem.py
index f28c681a..ae5a9606 100644
--- a/pyqtgraph/graphicsItems/tests/test_ErrorBarItem.py
+++ b/pyqtgraph/graphicsItems/tests/test_ErrorBarItem.py
@@ -13,18 +13,21 @@ def test_ErrorBarItem_defer_data():
     curve = pg.PlotCurveItem(x=x, y=x)
     plot.addItem(curve)
     app.processEvents()
+    app.processEvents()
     r_no_ebi = plot.viewRect()
 
     # ErrorBarItem with no data shouldn't affect the view rect
     err = pg.ErrorBarItem()
     plot.addItem(err)
     app.processEvents()
+    app.processEvents()
     r_empty_ebi = plot.viewRect()
 
     assert r_no_ebi.height() == r_empty_ebi.height()
 
     err.setData(x=x, y=x, bottom=x, top=x)
     app.processEvents()
+    app.processEvents()
     r_ebi = plot.viewRect()
 
     assert r_ebi.height() > r_empty_ebi.height()
@@ -32,6 +35,7 @@ def test_ErrorBarItem_defer_data():
     # unset data, ErrorBarItem disappears and view rect goes back to original
     err.setData(x=None, y=None)
     app.processEvents()
+    app.processEvents()
     r_clear_ebi = plot.viewRect()
 
     assert r_clear_ebi.height() == r_empty_ebi.height()