diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TestBase.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TestBase.java
index f9adac7c4c8..67f4a04eb31 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TestBase.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TestBase.java
@@ -505,16 +505,6 @@ public class AST2TestBase extends BaseTestCase {
 		return TestSourceReader.getContentsForTest(plugin.getBundle(), "parser", getClass(), getName(), sections);
 	}
 
-	protected static <T> T assertInstance(Object o, Class<T> clazz, Class... cs) {
-		assertNotNull("Expected object of " + clazz.getName() + " but got a null value", o);
-		assertTrue("Expected "+clazz.getName()+" but got "+o.getClass().getName(), clazz.isInstance(o));
-		for (Class c : cs) {
-			assertNotNull("Expected object of " + c.getName() + " but got a null value", o);
-			assertTrue("Expected " + c.getName() + " but got " + o.getClass().getName(), c.isInstance(o));
-		}
-		return clazz.cast(o);
-	}
-
 	protected static void assertField(IBinding binding, String fieldName, String ownerName) {
     	assertInstance(binding, IField.class);
     	assertEquals(fieldName, binding.getName());
diff --git a/core/org.eclipse.cdt.core.tests/suite/org/eclipse/cdt/core/testplugin/util/BaseTestCase.java b/core/org.eclipse.cdt.core.tests/suite/org/eclipse/cdt/core/testplugin/util/BaseTestCase.java
index 85f2821b0cc..606fb5ab88c 100644
--- a/core/org.eclipse.cdt.core.tests/suite/org/eclipse/cdt/core/testplugin/util/BaseTestCase.java
+++ b/core/org.eclipse.cdt.core.tests/suite/org/eclipse/cdt/core/testplugin/util/BaseTestCase.java
@@ -337,4 +337,16 @@ public class BaseTestCase extends TestCase {
 	public static void waitUntilFileIsIndexed(IIndex index, IFile file) throws Exception {
 		TestSourceReader.waitUntilFileIsIndexed(index, file, INDEXER_TIMEOUT_SEC * 1000);
 	}
+
+	// Assertion helpers
+	
+	protected static <T> T assertInstance(Object o, Class<T> clazz, Class... cs) {
+		assertNotNull("Expected object of " + clazz.getName() + " but got a null value", o);
+		assertTrue("Expected "+clazz.getName()+" but got "+o.getClass().getName(), clazz.isInstance(o));
+		for (Class c : cs) {
+			assertNotNull("Expected object of " + c.getName() + " but got a null value", o);
+			assertTrue("Expected " + c.getName() + " but got " + o.getClass().getName(), c.isInstance(o));
+		}
+		return clazz.cast(o);
+	}
 }