[test] allow only a single shared display to avoid egl errors

2 files changed, 3 insertions, 3 deletions

diff --git a/test/util/memory.test.cpp b/test/util/memory.test.cpp
index cb333129d8..ad7982ce57 100644
--- a/test/util/memory.test.cpp
+++ b/test/util/memory.test.cpp
@@ -38,7 +38,7 @@ public:
     }
 
     util::RunLoop runLoop;
-    HeadlessBackend backend { test::sharedDisplay() };
+    HeadlessBackend backend;
     BackendScope scope { backend };
     OffscreenView view { backend.getContext(), { 512, 512 } };
     StubFileSource fileSource;
diff --git a/test/util/offscreen_texture.test.cpp b/test/util/offscreen_texture.test.cpp
index d8a409de36..d4efd75689 100644
--- a/test/util/offscreen_texture.test.cpp
+++ b/test/util/offscreen_texture.test.cpp
@@ -11,7 +11,7 @@
 using namespace mbgl;
 
 TEST(OffscreenTexture, EmptyRed) {
-    HeadlessBackend backend { test::sharedDisplay() };
+    HeadlessBackend backend;
     BackendScope scope { backend };
     OffscreenView view(backend.getContext(), { 512, 256 });
 
@@ -74,7 +74,7 @@ struct Buffer {
 
 
 TEST(OffscreenTexture, RenderToTexture) {
-    HeadlessBackend backend { test::sharedDisplay() };
+    HeadlessBackend backend;
     BackendScope scope { backend };
     auto& context = backend.getContext();