diff --git a/tests/domain/advanced-rendering.test.ts b/tests/domain/advanced-rendering.test.ts
index e0260c92..052b8bd1 100644
--- a/tests/domain/advanced-rendering.test.ts
+++ b/tests/domain/advanced-rendering.test.ts
@@ -115,6 +115,10 @@ vi.mock("postprocessing", () => {
     constructor() {}
   }
 
+  class MockFXAAEffect {
+    constructor() {}
+  }
+
   class MockSMAAEffect {
     constructor() {}
   }
@@ -125,6 +129,7 @@ vi.mock("postprocessing", () => {
     DepthOfFieldEffect: MockDepthOfFieldEffect,
     EffectComposer: MockEffectComposer,
     EffectPass: MockEffectPass,
+    FXAAEffect: MockFXAAEffect,
     NormalPass: MockNormalPass,
     Pass: MockPass,
     RenderPass: MockRenderPass,
@@ -189,6 +194,28 @@ import {
 } from "../../src/rendering/whitebox-bevel-material";
 import { resolveWorldBackgroundSkyColorState } from "../../src/rendering/world-background-renderer";
 
+function resetPostprocessingState() {
+  postprocessingState.composerOptions.length = 0;
+  postprocessingState.composerPasses.length = 0;
+  postprocessingState.normalPassTextures.length = 0;
+  postprocessingState.ssaoCalls.length = 0;
+}
+
+function getLastEffectPassEffectNames() {
+  const effectPasses = postprocessingState.composerPasses.filter(
+    (pass) => (pass as { name?: string }).name === "EffectPass"
+  );
+  const lastEffectPass = effectPasses.at(-1) as
+    | { effects: unknown[] }
+    | undefined;
+
+  return (
+    lastEffectPass?.effects.map(
+      (effect) => (effect as { constructor: { name: string } }).constructor.name
+    ) ?? []
+  );
+}
+
 describe("resolveBoxVolumeRenderPaths", () => {
   it("uses authored fog and water paths when advanced rendering is enabled", () => {
     const settings = createDefaultWorldSettings().advancedRendering;
diff --git a/tests/domain/scene-document-validation.test.ts b/tests/domain/scene-document-validation.test.ts
index 030f11db..88b422a3 100644
--- a/tests/domain/scene-document-validation.test.ts
+++ b/tests/domain/scene-document-validation.test.ts
@@ -1847,6 +1847,11 @@ describe("validateSceneDocument", () => {
         mode: "filmic",
         exposure: 0
       },
+      antiAliasing: {
+        ...document.world.advancedRendering.antiAliasing,
+        enabled: "yes",
+        mode: "temporal"
+      },
       fogPath: "high",
       waterPath: "ultra",
       depthOfField: {
@@ -1958,6 +1963,14 @@ describe("validateSceneDocument", () => {
           code: "invalid-advanced-rendering-tone-mapping-exposure",
           path: "world.advancedRendering.toneMapping.exposure"
         }),
+        expect.objectContaining({
+          code: "invalid-advanced-rendering-anti-aliasing-enabled",
+          path: "world.advancedRendering.antiAliasing.enabled"
+        }),
+        expect.objectContaining({
+          code: "invalid-advanced-rendering-anti-aliasing-mode",
+          path: "world.advancedRendering.antiAliasing.mode"
+        }),
         expect.objectContaining({
           code: "invalid-advanced-rendering-dof-focal-length",
           path: "world.advancedRendering.depthOfField.focalLength"