// Activate the device layout.
RuntimeDeviceLayout runtimeDeviceLayout =
RuntimeDeviceLayoutTestHelper.activate(layout);
TestDeviceLayoutContext deviceLayoutContext =
new TestDeviceLayoutContext();
PaneInstance paneInstance = new TestPaneInstance();
paneInstance.setFormat(testPane);
paneInstance.setDeviceLayoutContext(deviceLayoutContext);
deviceLayoutContext.setFormatInstance(testPane,
NDimensionalIndex.ZERO_DIMENSIONS, paneInstance);
pageContext.pushDeviceLayoutContext(deviceLayoutContext);
pageContext.setFormatInstance(paneInstance);
final PolicyReferenceResolverMock referenceResolverMock =