4 files changed, 8 insertions, 8 deletions
diff --git a/src/tests/audio/test_jittered_audio.cc b/src/tests/audio/test_jittered_audio.cc
index d8260ec..d7c6a7d 100644
--- a/src/tests/audio/test_jittered_audio.cc
+++ b/src/tests/audio/test_jittered_audio.cc
@@ -42,11 +42,10 @@ void test_jittered_audio_basic() {
   float music_time = 0.0f;
 
   for (float t = 0.0f; t < total_time; t += dt) {
-    music_time += dt; // Normal tempo
-
     // Update tracker and fill buffer
     tracker_update(music_time, dt);
     audio_render_ahead(music_time, dt);
+    music_time += dt;
 
     // Sleep minimal time to let audio thread run
     std::this_thread::sleep_for(std::chrono::milliseconds(1));
@@ -114,7 +113,7 @@ void test_jittered_audio_with_acceleration() {
 
     // Update tracker and fill buffer
     tracker_update(music_time, dt * tempo_scale);
-    audio_render_ahead(music_time, dt);
+    (void)audio_render_ahead(music_time, dt);
 
     // Sleep minimal time to let audio thread run
     std::this_thread::sleep_for(std::chrono::milliseconds(1));
diff --git a/src/tests/audio/test_silent_backend.cc b/src/tests/audio/test_silent_backend.cc
index 3dc1cd4..cecf72c 100644
--- a/src/tests/audio/test_silent_backend.cc
+++ b/src/tests/audio/test_silent_backend.cc
@@ -97,7 +97,7 @@ void test_silent_backend_tracking() {
   assert(backend.get_voice_trigger_count() == 1);
 
   // Render audio (calls on_frames_rendered)
-  audio_render_ahead(0.0f, 0.1f); // Render ~0.1 seconds
+  (void)audio_render_ahead(0.0f, 0.1f); // Render ~0.1 seconds
   assert(backend.get_frames_rendered() > 0);
 
   // Reset stats
@@ -123,7 +123,7 @@ void test_audio_playback_time() {
   assert(t0 == 0.0f);
 
   // Render some audio
-  audio_render_ahead(0.5f, 0.1f); // Advance music time to 0.5s
+  (void)audio_render_ahead(0.5f, 0.1f); // Advance music time to 0.5s
 
   // Playback time should advance based on frames rendered
   // Note: audio_get_playback_time() tracks cumulative frames consumed
@@ -131,7 +131,7 @@ void test_audio_playback_time() {
   assert(t1 >= 0.0f); // Should have advanced
 
   // Render more
-  audio_render_ahead(1.0f, 0.5f);
+  (void)audio_render_ahead(1.0f, 0.5f);
   float t2 = audio_get_playback_time();
   assert(t2 >= t1); // Should continue advancing
 
@@ -152,7 +152,7 @@ void test_audio_buffer_partial_writes() {
   // Note: With SilentBackend, frames_rendered won't increase because
   // there's no audio callback consuming from the ring buffer
   for (int i = 0; i < 10; ++i) {
-    audio_render_ahead((float)i * 0.1f, 0.1f);
+    (void)audio_render_ahead((float)i * 0.1f, 0.1f);
   }
 
   // Buffer should have handled multiple writes correctly (no crash)
diff --git a/src/tests/audio/test_wav_dump.cc b/src/tests/audio/test_wav_dump.cc
index a0f2a4a..ce161a4 100644
--- a/src/tests/audio/test_wav_dump.cc
+++ b/src/tests/audio/test_wav_dump.cc
@@ -60,10 +60,10 @@ void test_wav_format_matches_live_audio() {
   for (float t = 0.0f; t < duration; t += update_dt) {
     // Update audio engine (triggers patterns)
     fixture.engine().update(music_time, update_dt);
-    music_time += update_dt;
 
     // Render audio ahead
     audio_render_ahead(music_time, update_dt);
+    music_time += update_dt;
 
     // Read from ring buffer
     if (ring_buffer != nullptr) {
diff --git a/src/tests/gpu/test_demo_effects.cc b/src/tests/gpu/test_demo_effects.cc
index 4234901..ec78c10 100644
--- a/src/tests/gpu/test_demo_effects.cc
+++ b/src/tests/gpu/test_demo_effects.cc
@@ -136,6 +136,7 @@ static void test_scene_effects() {
       {"RotatingCubeEffect",
        std::make_shared<RotatingCubeEffect>(fixture.ctx())},
       {"Scene1Effect", std::make_shared<Scene1Effect>(fixture.ctx())},
+      {"SDFTestEffect", std::make_shared<SDFTestEffect>(fixture.ctx())},
   };
 
   int passed = 0;