diff --git a/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/editor/harness/AbstractPropsEditorTest.java b/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/editor/harness/AbstractPropsEditorTest.java
index 6589f32f8..025690cbe 100644
--- a/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/editor/harness/AbstractPropsEditorTest.java
+++ b/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/editor/harness/AbstractPropsEditorTest.java
@@ -45,7 +45,7 @@ public abstract class AbstractPropsEditorTest {
 	public static final String BOOLEAN = Boolean.class.getName();
 	public static final String STRING = String.class.getName();
 
-	private ProjectsHarness projects = ProjectsHarness.INSTANCE;
+	protected ProjectsHarness projects = ProjectsHarness.INSTANCE;
 
 	protected PropertyIndexHarness md;
 	protected final CompositeJavaProjectFinder javaProjectFinder = new CompositeJavaProjectFinder(Arrays.asList(new JavaProjectFinder() {
diff --git a/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/test/ApplicationPropertiesEditorTest.java b/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/test/ApplicationPropertiesEditorTest.java
index 1f3ead792..0007223ac 100644
--- a/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/test/ApplicationPropertiesEditorTest.java
+++ b/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/test/ApplicationPropertiesEditorTest.java
@@ -42,6 +42,7 @@ import org.springframework.ide.vscode.commons.languageserver.util.SimpleLanguage
 import org.springframework.ide.vscode.commons.maven.java.MavenJavaProject;
 import org.springframework.ide.vscode.commons.util.text.LanguageId;
 import org.springframework.ide.vscode.languageserver.testharness.Editor;
+import org.springframework.ide.vscode.project.harness.ProjectsHarness.ProjectCustomizer;
 
 import com.google.common.collect.ImmutableList;
 import com.google.common.io.Files;
@@ -53,6 +54,10 @@ import com.google.common.io.Files;
  */
 public class ApplicationPropertiesEditorTest extends AbstractPropsEditorTest {
 
+	private static final ProjectCustomizer WITH_EMPTY_APPLICATION_YML = projectContents -> {
+		projectContents.createFile("src/main/resources/application.yml", "");
+	};
+
 	@Test
 	public void testReconcileCatchesParseError() throws Exception {
 		Editor editor = newEditor("key\n");
@@ -1243,7 +1248,7 @@ public class ApplicationPropertiesEditorTest extends AbstractPropsEditorTest {
 	@Test public void testClasspathResourceCompletion() throws Exception {
 		CachingValueProvider.TIMEOUT = Duration.ofSeconds(20);
 
-		useProject(createPredefinedMavenProject("empty-boot-1.3.0-app"));
+		useProject(projects.mavenProject("empty-boot-1.3.0-app", WITH_EMPTY_APPLICATION_YML));
 
 		data("my.nice.resource", "org.springframework.core.io.Resource", null, "A very nice resource.");
 		data("my.nice.list", "java.util.List<org.springframework.core.io.Resource>", null, "A nice list of resources.");