diff --git a/org.eclipse.xtext.ide.tests/.gitignore b/org.eclipse.xtext.ide.tests/.gitignore
index 9ffeaf510..3fa86de91 100644
--- a/org.eclipse.xtext.ide.tests/.gitignore
+++ b/org.eclipse.xtext.ide.tests/.gitignore
@@ -1,2 +1,3 @@
 test-data/
+test-data2/
 .antlr-generator-*.jar
diff --git a/org.eclipse.xtext.ide.tests/src/org/eclipse/xtext/ide/tests/server/UriExtensionsTest.xtend b/org.eclipse.xtext.ide.tests/src/org/eclipse/xtext/ide/tests/server/UriExtensionsTest.xtend
index 82b5b973e..eaee59104 100644
--- a/org.eclipse.xtext.ide.tests/src/org/eclipse/xtext/ide/tests/server/UriExtensionsTest.xtend
+++ b/org.eclipse.xtext.ide.tests/src/org/eclipse/xtext/ide/tests/server/UriExtensionsTest.xtend
@@ -257,7 +257,8 @@ class UriExtensionsTest {
 
 	@Test
 	def void testFolderIsPrefix() {
-		var directory = new File("./test-data/test-project")
+		var directory = new File("./test-data2/test-project")
+		directory.mkdirs
 		assertTrue(directory.exists)
 		assertTrue(directory.directory)
 		var uri = createFileURI(directory.absolutePath + "/").toUriString.toUri
diff --git a/org.eclipse.xtext.ide.tests/xtend-gen/org/eclipse/xtext/ide/tests/server/UriExtensionsTest.java b/org.eclipse.xtext.ide.tests/xtend-gen/org/eclipse/xtext/ide/tests/server/UriExtensionsTest.java
index 85b4f8baa..ce21d2ec4 100644
--- a/org.eclipse.xtext.ide.tests/xtend-gen/org/eclipse/xtext/ide/tests/server/UriExtensionsTest.java
+++ b/org.eclipse.xtext.ide.tests/xtend-gen/org/eclipse/xtext/ide/tests/server/UriExtensionsTest.java
@@ -236,7 +236,8 @@ public class UriExtensionsTest {
   
   @Test
   public void testFolderIsPrefix() {
-    File directory = new File("./test-data/test-project");
+    File directory = new File("./test-data2/test-project");
+    directory.mkdirs();
     Assert.assertTrue(directory.exists());
     Assert.assertTrue(directory.isDirectory());
     String _absolutePath = directory.getAbsolutePath();