diff --git a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/BaseUITestCase.java b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/BaseUITestCase.java
index 97013ed03f7..4b8f5dfa40a 100644
--- a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/BaseUITestCase.java
+++ b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/BaseUITestCase.java
@@ -29,11 +29,13 @@ import org.eclipse.swt.widgets.Tree;
 import org.eclipse.swt.widgets.TreeItem;
 import org.eclipse.ui.IEditorPart;
 import org.eclipse.ui.IViewPart;
+import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.IWorkbenchPartSite;
 import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.PartInitException;
 import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.WorkbenchException;
 import org.eclipse.ui.handlers.IHandlerService;
 
 import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
@@ -44,6 +46,7 @@ import org.eclipse.cdt.core.model.CModelException;
 import org.eclipse.cdt.core.model.ICProject;
 import org.eclipse.cdt.core.testplugin.util.BaseTestCase;
 import org.eclipse.cdt.core.testplugin.util.TestSourceReader;
+import org.eclipse.cdt.ui.CUIPlugin;
 import org.eclipse.cdt.ui.testplugin.CTestPlugin;
 
 public class BaseUITestCase extends BaseTestCase {
@@ -187,6 +190,12 @@ public class BaseUITestCase extends BaseTestCase {
 		}
 	}
 	
+	protected void showCDTPerspective() throws WorkbenchException {
+		final IWorkbench workbench = PlatformUI.getWorkbench();
+		workbench.showPerspective(CUIPlugin.ID_CPERSPECTIVE, workbench.getActiveWorkbenchWindow());
+		runEventQueue(0);
+	}
+	
 	protected IViewPart activateView(String id) throws PartInitException {
 		IViewPart view= PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().showView(id);
 		assertNotNull(view);
diff --git a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/callhierarchy/CallHierarchyBugs.java b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/callhierarchy/CallHierarchyBugs.java
index 5770d9e1aaf..885719a22e0 100644
--- a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/callhierarchy/CallHierarchyBugs.java
+++ b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/callhierarchy/CallHierarchyBugs.java
@@ -20,8 +20,8 @@ import org.eclipse.swt.widgets.Tree;
 import org.eclipse.ui.IPageLayout;
 import org.eclipse.ui.IViewPart;
 import org.eclipse.ui.IWorkbenchPage;
-import org.eclipse.ui.PartInitException;
 import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.WorkbenchException;
 import org.eclipse.ui.ide.IDE;
 
 import org.eclipse.cdt.ui.CUIPlugin;
@@ -40,6 +40,10 @@ public class CallHierarchyBugs extends CallHierarchyBaseTest {
 		return suite(CallHierarchyBugs.class);
 	}
 
+	protected void setUp() throws Exception {
+		super.setUp();
+		showCDTPerspective();
+	}
 	
 	// class SomeClass {
 	// public:
@@ -136,7 +140,7 @@ public class CallHierarchyBugs extends CallHierarchyBaseTest {
 		checkTreeNode(chTree, 0, 0, "SomeClass::ref2");
 	}
 
-	private void openEditor(IFile file) throws PartInitException {
+	private void openEditor(IFile file) throws WorkbenchException {
 		IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
 		IDE.openEditor(page, file, true);
 		getFocusControl(StyledText.class, 8000);