diff --git a/xml/tests/org.eclipse.wst.xml.core.tests/.classpath b/xml/tests/org.eclipse.wst.xml.core.tests/.classpath
index ec8dfbe..4fde217 100644
--- a/xml/tests/org.eclipse.wst.xml.core.tests/.classpath
+++ b/xml/tests/org.eclipse.wst.xml.core.tests/.classpath
@@ -1,11 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins">
 		<accessrules>
 			<accessrule kind="accessible" pattern="org/eclipse/wst/**"/>
 		</accessrules>
 	</classpathentry>
-	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="src">
+		<attributes>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/xml/tests/org.eclipse.wst.xml.core.tests/.settings/org.eclipse.jdt.core.prefs b/xml/tests/org.eclipse.wst.xml.core.tests/.settings/org.eclipse.jdt.core.prefs
index f1e6bba..3816ada 100644
--- a/xml/tests/org.eclipse.wst.xml.core.tests/.settings/org.eclipse.jdt.core.prefs
+++ b/xml/tests/org.eclipse.wst.xml.core.tests/.settings/org.eclipse.jdt.core.prefs
@@ -7,9 +7,9 @@
 org.eclipse.jdt.core.classpath.exclusionPatterns=enabled
 org.eclipse.jdt.core.classpath.multipleOutputLocations=enabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -23,6 +23,7 @@
 org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=enabled
 org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
 org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.fieldHiding=ignore
 org.eclipse.jdt.core.compiler.problem.finalParameterBound=ignore
@@ -52,6 +53,7 @@
 org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=ignore
 org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=warning
 org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=error
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=enabled
 org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=error
 org.eclipse.jdt.core.compiler.problem.suppressWarnings=enabled
@@ -74,6 +76,7 @@
 org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete=disabled
 org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=error
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.8
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.incompatibleJDKLevel=ignore
 org.eclipse.jdt.core.incompleteClasspath=error
diff --git a/xml/tests/org.eclipse.wst.xml.core.tests/META-INF/MANIFEST.MF b/xml/tests/org.eclipse.wst.xml.core.tests/META-INF/MANIFEST.MF
index 280c8ca..4c31eba 100644
--- a/xml/tests/org.eclipse.wst.xml.core.tests/META-INF/MANIFEST.MF
+++ b/xml/tests/org.eclipse.wst.xml.core.tests/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: %Bundle-Name.0
 Bundle-SymbolicName: org.eclipse.wst.xml.core.tests; singleton:=true
-Bundle-Version: 1.1.0.qualifier
+Bundle-Version: 1.2.0.qualifier
 Bundle-Activator: org.eclipse.wst.xml.core.tests.SSEModelXMLTestsPlugin
 Bundle-Vendor: %Bundle-Vendor.0
 Bundle-Localization: plugin
@@ -31,5 +31,5 @@
  com.ibm.icu,
  org.eclipse.wst.common.uriresolver
 Eclipse-LazyStart: true
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Bundle-ActivationPolicy: lazy
diff --git a/xml/tests/org.eclipse.wst.xml.core.tests/pom.xml b/xml/tests/org.eclipse.wst.xml.core.tests/pom.xml
index 31f991d..3bd499f 100644
--- a/xml/tests/org.eclipse.wst.xml.core.tests/pom.xml
+++ b/xml/tests/org.eclipse.wst.xml.core.tests/pom.xml
@@ -21,7 +21,7 @@
 
   <groupId>org.eclipse.webtools.sourceediting</groupId>
   <artifactId>org.eclipse.wst.xml.core.tests</artifactId>
-  <version>1.1.0-SNAPSHOT</version>
+  <version>1.2.0-SNAPSHOT</version>
   <packaging>eclipse-test-plugin</packaging>
 
   <properties>
diff --git a/xml/tests/org.eclipse.wst.xml.core.tests/src/org/eclipse/wst/xml/core/tests/contentmodel/CMVisitorTest.java b/xml/tests/org.eclipse.wst.xml.core.tests/src/org/eclipse/wst/xml/core/tests/contentmodel/CMVisitorTest.java
index 5ec3ac0..0edde57 100644
--- a/xml/tests/org.eclipse.wst.xml.core.tests/src/org/eclipse/wst/xml/core/tests/contentmodel/CMVisitorTest.java
+++ b/xml/tests/org.eclipse.wst.xml.core.tests/src/org/eclipse/wst/xml/core/tests/contentmodel/CMVisitorTest.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2017 IBM Corporation and others.
+ * Copyright (c) 2004, 2021 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
@@ -12,10 +12,13 @@
  *******************************************************************************/
 package org.eclipse.wst.xml.core.tests.contentmodel;
 
+import java.util.Map;
+
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 
-import org.eclipse.core.runtime.IPlatformRunnable;
+import org.eclipse.equinox.app.IApplication;
+import org.eclipse.equinox.app.IApplicationContext;
 import org.eclipse.wst.xml.core.internal.contentmodel.CMNode;
 import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.ModelQuery;
 import org.eclipse.wst.xml.core.internal.contentmodel.modelqueryimpl.ModelQueryImpl;
@@ -27,7 +30,7 @@
 import org.w3c.dom.NodeList;
 
 
-public class CMVisitorTest implements IPlatformRunnable {
+public class CMVisitorTest implements IApplication {
 	public Object run(Object a) {
 		String args[] = (String[]) a;
 		if (args.length > 0) {
@@ -100,4 +103,16 @@
 		}
 		System.out.println(string);
 	}
+
+	@Override
+	public Object start(IApplicationContext context) throws Exception {
+		context.applicationRunning();
+		@SuppressWarnings("unchecked")
+		Map<String, Object> contextArguments = context.getArguments();
+		return run(contextArguments.get(IApplicationContext.APPLICATION_ARGS));
+	}
+
+	@Override
+	public void stop() {
+	}
 }