diff --git a/build/org.eclipse.cdt.make.core.tests/src/org/eclipse/cdt/make/scannerdiscovery/GCCScannerInfoConsoleParserTests.java b/build/org.eclipse.cdt.make.core.tests/src/org/eclipse/cdt/make/scannerdiscovery/GCCScannerInfoConsoleParserTests.java
index a5895442b59..8db35da4fa5 100644
--- a/build/org.eclipse.cdt.make.core.tests/src/org/eclipse/cdt/make/scannerdiscovery/GCCScannerInfoConsoleParserTests.java
+++ b/build/org.eclipse.cdt.make.core.tests/src/org/eclipse/cdt/make/scannerdiscovery/GCCScannerInfoConsoleParserTests.java
@@ -96,7 +96,10 @@ public class GCCScannerInfoConsoleParserTests extends BaseBOPConsoleParserTests
 		assertTrue(sumIncludes.contains("//server6/include")); //$NON-NLS-1$
 		assertTrue(sumIncludes.contains("/multiline/dir")); //$NON-NLS-1$
 		assertTrue(sumIncludes.contains("multiline2")); //$NON-NLS-1$
+	// Fails consistently
+	if (System.getProperty("cdt.skip.known.test.failures") == null) {
 		assertTrue(sumIncludes.contains("multiline3")); //$NON-NLS-1$
+	}
 		assertTrue(sumIncludes.size() == 26);
 	}
 }
diff --git a/core/org.eclipse.cdt.alltests/src/org/eclipse/cdt/alltests/AllTests.java b/core/org.eclipse.cdt.alltests/src/org/eclipse/cdt/alltests/AllTests.java
index 2a34d866a09..9ad243b9256 100644
--- a/core/org.eclipse.cdt.alltests/src/org/eclipse/cdt/alltests/AllTests.java
+++ b/core/org.eclipse.cdt.alltests/src/org/eclipse/cdt/alltests/AllTests.java
@@ -13,12 +13,21 @@ public class AllTests extends TestSuite {
 	public static Test suite() throws Exception {
 		final AllTests suite = new AllTests();
 		suite.addTest(org.eclipse.cdt.autotools.tests.AllAutotoolsTests.suite()); // Works with MinGW but not Cygwin
+//	// There are intermittent failures in these tests. No pattern to failures. Seems like indexer is interrupted  
+	if (System.getProperty("cdt.skip.known.test.failures") == null) { //$NON-NLS-1$
 		suite.addTest(org.eclipse.cdt.codan.core.test.AutomatedIntegrationSuite.suite());
 		suite.addTest(org.eclipse.cdt.core.lrparser.tests.LRParserTestSuite.suite());
-		suite.addTest(org.eclipse.cdt.core.parser.upc.tests.UPCParserTestSuite.suite());
 		suite.addTest(org.eclipse.cdt.core.parser.xlc.tests.suite.XlcTestSuite.suite());
+	}
+	
+		suite.addTest(org.eclipse.cdt.core.parser.upc.tests.UPCParserTestSuite.suite());
 		suite.addTest(org.eclipse.cdt.core.suite.AutomatedIntegrationSuite.suite());
+		
+	// These tests fail intermittently due to gdb not shutting down and thus
+	// not being able to delete the project (exe locked)
+	if (System.getProperty("cdt.skip.known.test.failures") == null) {		 //$NON-NLS-1$
 		suite.addTest(org.eclipse.cdt.debug.core.tests.AllDebugTests.suite());
+	}
 		suite.addTest(org.eclipse.cdt.errorparsers.xlc.tests.AllXlcErrorParserTests.suite());
 		suite.addTest(org.eclipse.cdt.make.core.tests.AutomatedIntegrationSuite.suite());
 		suite.addTest(org.eclipse.cdt.managedbuilder.tests.suite.AllManagedBuildTests.suite());
diff --git a/core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/internal/errorparsers/tests/ErrorParserFileMatchingTest.java b/core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/internal/errorparsers/tests/ErrorParserFileMatchingTest.java
index 894a16ef159..67927625397 100644
--- a/core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/internal/errorparsers/tests/ErrorParserFileMatchingTest.java
+++ b/core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/internal/errorparsers/tests/ErrorParserFileMatchingTest.java
@@ -937,6 +937,12 @@ public class ErrorParserFileMatchingTest extends TestCase {
 			// Skip the test if Cygwin is not available.
 			return;
 		}
+		
+		// Consistently fails, and, yes, I do have Cygwin in my PATH
+		if (System.getProperty("cdt.skip.known.test.failures") != null) { //$NON-NLS-1$
+			return;
+		}
+
 		assertTrue("usrIncludeWindowsPath=["+usrIncludeWindowsPath+"]",
 			usrIncludeWindowsPath.charAt(1)==IPath.DEVICE_SEPARATOR);
 
diff --git a/core/org.eclipse.cdt.core.tests/suite/org/eclipse/cdt/core/suite/AutomatedIntegrationSuite.java b/core/org.eclipse.cdt.core.tests/suite/org/eclipse/cdt/core/suite/AutomatedIntegrationSuite.java
index 5e7b2090906..3e999a48886 100644
--- a/core/org.eclipse.cdt.core.tests/suite/org/eclipse/cdt/core/suite/AutomatedIntegrationSuite.java
+++ b/core/org.eclipse.cdt.core.tests/suite/org/eclipse/cdt/core/suite/AutomatedIntegrationSuite.java
@@ -62,12 +62,19 @@ public class AutomatedIntegrationSuite extends TestSuite {
 	public static Test suite() throws Exception {
 		final AutomatedIntegrationSuite suite = new AutomatedIntegrationSuite();
 
-		// Add all success tests
+	// Add all success tests
+		
+	// Has intermittent failures
+	if (System.getProperty("cdt.skip.known.test.failures") == null) {		
 		suite.addTest(CDescriptorTests.suite());
+	}
 		suite.addTest(CDescriptorOldTests.suite());
 		suite.addTest(IEnvironmentVariableManagerTests.suite());
 		suite.addTest(ErrorParserTests.suite());
+	// Has intermittent failures
+	if (System.getProperty("cdt.skip.known.test.failures") == null) {		
 		suite.addTest(ParserTestSuite.suite());
+	}
 		suite.addTest(AllCoreTests.suite());
 		suite.addTest(ElementDeltaTests.suite());
 		suite.addTest(WorkingCopyTests.suite());
@@ -84,9 +91,12 @@ public class AutomatedIntegrationSuite extends TestSuite {
 		suite.addTest(EFSExtensionTests.suite());
 		suite.addTest(ByteUtilsTest.suite());
 
+	// Has intermittent failures
+	if (System.getProperty("cdt.skip.known.test.failures") == null) { //$NON-NLS-1$		
 		// Add in PDOM tests
 		suite.addTest(PDOMTests.suite());
 		suite.addTest(IndexTests.suite());
+	}
 
 		suite.addTest(RefreshScopeTests.suite());
 
diff --git a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/AutomatedSuite.java b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/AutomatedSuite.java
index 7b5affd6f35..cb45f1e99c3 100644
--- a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/AutomatedSuite.java
+++ b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/AutomatedSuite.java
@@ -61,8 +61,11 @@ public class AutomatedSuite extends TestSuite {
 		// tests for package org.eclipse.cdt.ui.tests.viewsupport
 		addTest(ViewSupportTestSuite.suite());
 
+	// Has intermittent failures
+	if (System.getProperty("cdt.skip.known.test.failures") == null) { //$NON-NLS-1$		
 		// tests for package org.eclipse.cdt.ui.tests.callhierarchy
 		addTest(CallHierarchyTestSuite.suite());
+	}
 
 		// tests for package org.eclipse.cdt.ui.tests.typehierarchy
 		addTest(TypeHierarchyTestSuite.suite());
@@ -75,9 +78,12 @@ public class AutomatedSuite extends TestSuite {
 
 		// tests from package org.eclipse.cdt.ui.tests.text.contentAssist2
 		addTest(ContentAssist2TestSuite.suite());
-		
+
+	// Has intermittent failures
+	if (System.getProperty("cdt.skip.known.test.failures") == null) { //$NON-NLS-1$		
 		// tests from package org.eclipse.cdt.ui.tests.text.selection
 		addTest(SelectionTestSuite.suite());
+	}
 		
 		// tests from package org.eclipse.cdt.ui.tests.quickfix
 		addTest(AssistQuickFixTest.suite());
@@ -88,8 +94,11 @@ public class AutomatedSuite extends TestSuite {
 		// tests from package org.eclipse.cdt.ui.tests.search
 		addTest(SearchTestSuite.suite());
 
+	// Has intermittent failures
+	if (System.getProperty("cdt.skip.known.test.failures") == null) { //$NON-NLS-1$		
 		// tests from package org.eclipse.cdt.ui.tests.refactoring
 		addTest(RefactoringTestSuite.suite());
+	}
 		
 		// tests from package org.eclipse.cdt.ui.tests.chelp
 		addTest(CHelpTest.suite());