[test] Use shared headless display

Prevents some OpenGL implementations from bailing out.

1 files changed, 2 insertions, 2 deletions

diff --git a/test/api/annotations.test.cpp b/test/api/annotations.test.cpp
index b143bd961c..ef70ee188c 100644
--- a/test/api/annotations.test.cpp
+++ b/test/api/annotations.test.cpp
@@ -23,8 +23,8 @@ std::shared_ptr<SpriteImage> namedMarker(const std::string &name) {
 class AnnotationTest {
 public:
     util::RunLoop loop;
-    HeadlessBackend backend;
-    OffscreenView view{ backend.getContext() };
+    HeadlessBackend backend { test::sharedDisplay() };
+    OffscreenView view { backend.getContext() };
     StubFileSource fileSource;
     ThreadPool threadPool { 4 };
     Map map { backend, view.size, 1, fileSource, threadPool, MapMode::Still };