1 files changed, 17 insertions, 9 deletions
diff --git a/application-preprocessor/src/test/java/com/yahoo/application/preprocessor/ApplicationPreprocessorTest.java b/application-preprocessor/src/test/java/com/yahoo/application/preprocessor/ApplicationPreprocessorTest.java
index 5039b05b393..0e5d8fb2784 100644
--- a/application-preprocessor/src/test/java/com/yahoo/application/preprocessor/ApplicationPreprocessorTest.java
+++ b/application-preprocessor/src/test/java/com/yahoo/application/preprocessor/ApplicationPreprocessorTest.java
@@ -1,9 +1,8 @@
 // Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 package com.yahoo.application.preprocessor;
 
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.rules.TemporaryFolder;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
 import org.xml.sax.SAXException;
 
 import javax.xml.parsers.ParserConfigurationException;
@@ -14,17 +13,26 @@ import java.util.Optional;
 
 public class ApplicationPreprocessorTest {
 
-    @Rule
-    public TemporaryFolder outputDir = new TemporaryFolder();
+    @TempDir
+    public File outputDir;
 
     // Basic test just to check that instantiation and run() works. Unit testing is in config-application-package
     @Test
-    public void basic() throws ParserConfigurationException, TransformerException, SAXException, IOException {
+    void basic() throws ParserConfigurationException, TransformerException, SAXException, IOException {
         ApplicationPreprocessor preprocessor = new ApplicationPreprocessor(new File("src/test/resources/simple"),
-                                                                           Optional.of(outputDir.newFolder()),
-                                                                           Optional.empty(),
-                                                                           Optional.empty());
+            Optional.of(newFolder(outputDir, "basic")),
+            Optional.empty(),
+            Optional.empty());
         preprocessor.run();
     }
 
+    private static File newFolder(File root, String... subDirs) throws IOException {
+        String subFolder = String.join("/", subDirs);
+        File result = new File(root, subFolder);
+        if (!result.mkdirs()) {
+            throw new IOException("Couldn't create folders " + root);
+        }
+        return result;
+    }
+
 }