diff --git a/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/AssignmentInConditionCheckerTest.java b/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/AssignmentInConditionCheckerTest.java
index e115373abad..ab72410151f 100644
--- a/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/AssignmentInConditionCheckerTest.java
+++ b/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/AssignmentInConditionCheckerTest.java
@@ -19,6 +19,17 @@ import org.eclipse.core.resources.IMarker;
  * 
  */
 public class AssignmentInConditionCheckerTest extends CheckerTestCase {
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.eclipse.cdt.codan.core.test.CodanTestCase#setUp()
+	 */
+	@Override
+	public void setUp() throws Exception {
+		super.setUp();
+		enableProblems("org.eclipse.cdt.codan.internal.checkers.AssignmentInConditionProblem");
+	}
+
 	//	 main() {
 	//	   int a=1,b=3;
 	//	   if (a=b) b=4; // error here on line 3
diff --git a/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/CatchByReferenceTest.java b/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/CatchByReferenceTest.java
index e12c616a86d..58237fa62c0 100644
--- a/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/CatchByReferenceTest.java
+++ b/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/CatchByReferenceTest.java
@@ -23,6 +23,12 @@ public class CatchByReferenceTest extends CheckerTestCase {
 		return true;
 	}
 
+	@Override
+	public void setUp() throws Exception {
+		super.setUp();
+		enableProblems(CatchByReference.ER_ID);
+	}
+
 	//	void main() {
 	//		try {
 	//			foo();
diff --git a/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/StatementHasNoEffectCheckerTest.java b/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/StatementHasNoEffectCheckerTest.java
index da2be06386b..7d36d0e5db4 100644
--- a/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/StatementHasNoEffectCheckerTest.java
+++ b/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/internal/checkers/StatementHasNoEffectCheckerTest.java
@@ -23,6 +23,12 @@ import org.eclipse.core.resources.IMarker;
  * 
  */
 public class StatementHasNoEffectCheckerTest extends CheckerTestCase {
+	@Override
+	public void setUp() throws Exception {
+		super.setUp();
+		enableProblems(StatementHasNoEffectChecker.ER_ID);
+	}
+
 	// main() {
 	// int a;
 	// +a; // error here on line 3
diff --git a/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/test/CheckerTestCase.java b/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/test/CheckerTestCase.java
index 113094821bc..f3241122e7a 100644
--- a/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/test/CheckerTestCase.java
+++ b/codan/org.eclipse.cdt.codan.core.test/src/org/eclipse/cdt/codan/core/test/CheckerTestCase.java
@@ -15,9 +15,11 @@ import java.io.IOException;
 
 import org.eclipse.cdt.codan.core.CodanRuntime;
 import org.eclipse.cdt.codan.core.model.IProblem;
+import org.eclipse.cdt.codan.core.model.IProblemProfile;
 import org.eclipse.cdt.codan.core.model.IProblemReporter;
 import org.eclipse.cdt.codan.core.param.IProblemPreference;
 import org.eclipse.cdt.codan.core.param.MapProblemPreference;
+import org.eclipse.cdt.codan.internal.core.model.CodanProblem;
 import org.eclipse.core.resources.IMarker;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.NullProgressMonitor;
@@ -129,7 +131,8 @@ public class CheckerTestCase extends CodanTestCase {
 	 */
 	protected IProblemPreference getPreference(String problemId, String paramId) {
 		IProblem problem = CodanRuntime.getInstance().getCheckersRegistry()
-				.getWorkspaceProfile().findProblem(problemId);
+				.getResourceProfile(cproject.getResource())
+				.findProblem(problemId);
 		IProblemPreference pref = ((MapProblemPreference) problem
 				.getPreference()).getChildDescriptor(paramId);
 		return pref;
@@ -157,4 +160,24 @@ public class CheckerTestCase extends CodanTestCase {
 			fail(e.getMessage());
 		}
 	}
+
+	protected void enableProblems(String... ids) {
+		IProblemProfile profile = CodanRuntime.getInstance()
+				.getCheckersRegistry().getWorkspaceProfile();
+		IProblem[] problems = profile.getProblems();
+		for (int i = 0; i < problems.length; i++) {
+			IProblem p = problems[i];
+			for (int j = 0; j < ids.length; j++) {
+				String pid = ids[j];
+				if (p.getId().equals(pid)) {
+					((CodanProblem) p).setEnabled(true);
+				} else {
+					((CodanProblem) p).setEnabled(false);
+				}
+			}
+		}
+		CodanRuntime.getInstance().getCheckersRegistry()
+				.updateProfile(cproject.getProject(), profile);
+		return;
+	}
 }