diff --git a/independent-projects/tools/devtools-testing/src/main/java/io/quarkus/devtools/testing/codestarts/QuarkusCodestartTest.java b/independent-projects/tools/devtools-testing/src/main/java/io/quarkus/devtools/testing/codestarts/QuarkusCodestartTest.java
index f741564f59aa5..e13049c20ada2 100644
--- a/independent-projects/tools/devtools-testing/src/main/java/io/quarkus/devtools/testing/codestarts/QuarkusCodestartTest.java
+++ b/independent-projects/tools/devtools-testing/src/main/java/io/quarkus/devtools/testing/codestarts/QuarkusCodestartTest.java
@@ -22,7 +22,6 @@
 import java.io.IOException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.time.Instant;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
@@ -30,7 +29,11 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
+import java.util.UUID;
 import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 import org.assertj.core.api.AbstractPathAssert;
 import org.assertj.core.api.Assertions;
 import org.assertj.core.api.ListAssert;
@@ -280,9 +283,12 @@ private AbstractPathAssert<?> checkGeneratedSource(String sourceDir, Language la
     }
 
     private String getTestId() {
-        String tool = buildTool != null ? buildTool.getKey() + "-" : "";
-        String suffix = codestarts.isEmpty() ? String.valueOf(Instant.now().toEpochMilli()) : String.join("-", codestarts);
-        return tool + suffix;
+        final String id = Stream.of(
+                buildTool != null ? Stream.of(buildTool.getKey()) : Stream.<String> empty(),
+                this.extensions.stream().map(ArtifactCoords::getArtifactId),
+                this.codestarts.stream(),
+                Stream.of(UUID.randomUUID().toString())).flatMap(Function.identity()).collect(Collectors.joining("-"));
+        return id;
     }
 
     private void generateRealDataProjectIfNeeded(Path path, Language language) throws IOException {
diff --git a/integration-tests/devtools/src/test/java/io/quarkus/devtools/codestarts/quarkus/QuarkusCodestartBuildIT.java b/integration-tests/devtools/src/test/java/io/quarkus/devtools/codestarts/quarkus/QuarkusCodestartBuildIT.java
index 61b967ffe9ef7..415070a21d879 100644
--- a/integration-tests/devtools/src/test/java/io/quarkus/devtools/codestarts/quarkus/QuarkusCodestartBuildIT.java
+++ b/integration-tests/devtools/src/test/java/io/quarkus/devtools/codestarts/quarkus/QuarkusCodestartBuildIT.java
@@ -36,8 +36,11 @@ class QuarkusCodestartBuildIT extends PlatformAwareTestBase {
 
     private static final Path testDirPath = Paths.get("target/quarkus-codestart-build-test");
 
-    private static final Set<String> EXCLUDED = Sets.newHashSet("spring-web-codestart", "picocli-codestart",
-            "hibernate-orm-codestart", "reactive-messaging");
+    private static final Set<String> EXCLUDED = Sets.newHashSet(
+            "spring-web-codestart",
+            "picocli-codestart",
+            "hibernate-orm-codestart",
+            "reactive-messaging-codestart");
 
     @BeforeAll
     static void setUp() throws IOException {
@@ -135,7 +138,7 @@ private String genName(String buildtool, String language, List<String> codestart
         if (codestarts.isEmpty()) {
             name += "-default";
         } else if (codestarts.size() > 2) {
-            name += "-" + UUID.randomUUID().toString();
+            name += "-" + UUID.randomUUID();
         } else {
             name += "-" + String.join("-", codestarts);
         }