diff --git a/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/project/harness/MockRunningAppProvider.java b/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/project/harness/MockRunningAppProvider.java
index 87b19288b..f387a90d7 100644
--- a/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/project/harness/MockRunningAppProvider.java
+++ b/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/project/harness/MockRunningAppProvider.java
@@ -22,6 +22,7 @@ import org.springframework.ide.vscode.commons.boot.app.cli.ContextPath;
 import org.springframework.ide.vscode.commons.boot.app.cli.LocalSpringBootApp;
 import org.springframework.ide.vscode.commons.boot.app.cli.SpringBootApp;
 import org.springframework.ide.vscode.commons.boot.app.cli.livebean.LiveBeansModel;
+import org.springframework.ide.vscode.commons.boot.app.cli.liveproperties.LivePropertiesJsonParser;
 import org.springframework.ide.vscode.commons.boot.app.cli.requestmappings.RequestMapping;
 import org.springframework.ide.vscode.commons.util.ExceptionUtil;
 
@@ -129,6 +130,11 @@ public class MockRunningAppProvider {
 			return this;
 		}
 
+		public MockAppBuilder livePropertiesJson(String envJson) throws Exception{
+			when(app.getLiveProperties()).thenReturn(LivePropertiesJsonParser.parseProperties(envJson));
+			return this;
+		}
+
 		public MockAppBuilder profiles(String... names) {
 			when(app.getActiveProfiles()).thenReturn(ImmutableList.copyOf(names));
 			return this;