diff --git a/gradle/templates/template-app/src/commonTest/kotlin/HelloWorldKotest.kt b/gradle/templates/template-app/src/commonTest/kotlin/HelloWorldKotest.kt
index 714df6c..eaf764c 100644
--- a/gradle/templates/template-app/src/commonTest/kotlin/HelloWorldKotest.kt
+++ b/gradle/templates/template-app/src/commonTest/kotlin/HelloWorldKotest.kt
@@ -9,6 +9,11 @@ class HelloWorldKotestTest : PreparedSpec({
 		@Suppress("SimplifyBooleanWithConstants") // The compiler knows this test will always succeed
 		check("Hello World!" == message)
 	}
+
+	test("Yay • \u2606\u2606\u2606\u2606 Unicode!") {
+		// This test verifies that our CI is able to handle Unicode characters in test names.
+		// See https://gitlab.com/gitlab-org/gitlab/-/issues/580885
+	}
 })
 
 class FooTest : FunSpec({
diff --git a/gradle/templates/template-lib/src/commonTest/kotlin/HelloWorldTest.kt b/gradle/templates/template-lib/src/commonTest/kotlin/HelloWorldTest.kt
deleted file mode 100644
index 23918b6..0000000
--- a/gradle/templates/template-lib/src/commonTest/kotlin/HelloWorldTest.kt
+++ /dev/null
@@ -1,11 +0,0 @@
-package opensavvy.playground.core
-
-import opensavvy.prepared.runner.testballoon.preparedSuite
-
-val HelloWorldTest by preparedSuite {
-
-	test("Hello world!") {
-		@Suppress("SimplifyBooleanWithConstants") // The compiler knows this test will always succeed
-		check("Hello World!" == message)
-	}
-}
diff --git a/gradle/templates/template-lib/src/commonTest/kotlin/HelloWorldTestBalloonTest.kt b/gradle/templates/template-lib/src/commonTest/kotlin/HelloWorldTestBalloonTest.kt
new file mode 100644
index 0000000..e6a9052
--- /dev/null
+++ b/gradle/templates/template-lib/src/commonTest/kotlin/HelloWorldTestBalloonTest.kt
@@ -0,0 +1,18 @@
+package opensavvy.playground.core
+
+import opensavvy.prepared.runner.testballoon.preparedSuite
+
+val HelloWorldTestBalloonTest by preparedSuite {
+
+	test("Hello world!") {
+		@Suppress("SimplifyBooleanWithConstants") // The compiler knows this test will always succeed
+		check("Hello World!" == message)
+	}
+
+	suite("Nested suite with Unicode \u2606") {
+		test("Yay • \u2606\u2606\u2606\u2606 Unicode!") {
+			// This test verifies that our CI is able to handle Unicode characters in test names.
+			// See https://gitlab.com/gitlab-org/gitlab/-/issues/580885
+		}
+	}
+}
-- 
2.51.2


From 79dbdf5ff83ec689a15eb8c7c71d401359846104 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ivan=20=E2=80=9CCLOVIS=E2=80=9D=20Canet?=
 <ivan.canet@gmail.com>
Date: Mon, 16 Feb 2026 15:27:20 +0100
Subject: [PATCH 2/2] ci(gitlab): Strip non-latin-1 characters from test report
 names on non-JVM platforms

This is a workaround for https://gitlab.com/gitlab-org/gitlab/-/issues/580885.
---
 .gitlab-ci.main.kts | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/.gitlab-ci.main.kts b/.gitlab-ci.main.kts
index b4874bf..f68ca4d 100755
--- a/.gitlab-ci.main.kts
+++ b/.gitlab-ci.main.kts
@@ -24,6 +24,33 @@ val siteUrl = "\$CI_PAGES_URL"
 fun Job.opensavvyImage(name: String) =
 	image("registry.gitlab.com/opensavvy/automation/containers/$name", ciContainers)
 
+// region GitLab
+
+/**
+ * Renames all JUnit XML test reports to remove non-latin-1 characters, because GitLab crashes in their presence.
+ *
+ * See [GITLAB-580885](https://gitlab.com/gitlab-org/gitlab/-/issues/580885).
+ */
+fun Job.stripUnicodeTestReports() {
+	afterScript {
+		// language="Shell Script"
+		shell($$"""
+			find . -path '*/build/test-results/*/TEST-*.xml' -print0 |
+			  grep -zP '[^\x00-\x{00FF}]' |
+			  while IFS= read -r -d '' f; do
+			    d="$(dirname "$f")"
+			    b="$(basename "$f")"
+			    nb=$(printf '%s' "$b" | LC_ALL=C sed -E \
+			      -e 's/[\xc4-\xdf][\x80-\xbf]/-/g' \
+			      -e 's/[\xe0-\xef][\x80-\xbf]{2}/-/g' \
+			      -e 's/[\xf0-\xf4][\x80-\xbf]{3}/-/g')
+			    mv -- "$f" "$d/$nb"
+			  done
+		""".trimIndent())
+	}
+}
+
+// endregion
 // region Kotlin Multiplatform
 
 fun Job.jvm() {
@@ -34,16 +61,22 @@ fun Job.jvm() {
 fun Job.jsBrowser() {
 	useGradle()
 	opensavvyImage("chromium")
+
+	stripUnicodeTestReports()
 }
 
 fun Job.jsNode() {
 	useGradle()
 	opensavvyImage("nodejs")
+
+	stripUnicodeTestReports()
 }
 
 fun Job.nativeLinuxX64() {
 	useGradle()
 	opensavvyImage("java")
+
+	stripUnicodeTestReports()
 }
 
 fun Job.nativeIosArm64() {