diff --git a/src/webgl/shaders/functions/noise3DGLSL.glsl b/src/webgl/shaders/functions/noise3DGLSL.glsl
index e0bca75aa7..af2a96c481 100644
--- a/src/webgl/shaders/functions/noise3DGLSL.glsl
+++ b/src/webgl/shaders/functions/noise3DGLSL.glsl
@@ -104,6 +104,5 @@ float noise(vec3 st, int octaves, float ampFalloff) {
     frequency *= 2.0;
     amplitude *= ampFalloff;
   }
-
-  return result;
+  return (result + 1.0) * 0.5;
 }
diff --git a/src/webgpu/shaders/functions/noise3DWGSL.js b/src/webgpu/shaders/functions/noise3DWGSL.js
index 597da1082a..1fb96f5fc6 100644
--- a/src/webgpu/shaders/functions/noise3DWGSL.js
+++ b/src/webgpu/shaders/functions/noise3DWGSL.js
@@ -102,6 +102,5 @@ fn noise(st: vec3<f32>, octaves: i32, ampFalloff: f32) -> f32 {
     frequency *= 2.0;
     amplitude *= ampFalloff;
   }
-
-  return result;
+  return (result + 1.0) * 0.5;
 }`;
\ No newline at end of file
diff --git a/vitest.workspace.mjs b/vitest.workspace.mjs
index 5cc3794706..08b80a2917 100644
--- a/vitest.workspace.mjs
+++ b/vitest.workspace.mjs
@@ -46,13 +46,12 @@ export default defineWorkspace([
           capabilities: process.env.CI ? {
             'goog:chromeOptions': {
               args: [
-                '--no-sandbox',
                 '--headless=new',
-                '--enable-unsafe-webgpu',
-                '--use-vulkan=swiftshader',
-                '--use-webgpu-adapter=swiftshader',
-                '--use-angle=vulkan',
                 '--no-sandbox',
+                '--enable-webgl',
+                '--use-gl=angle',
+                '--use-angle=swiftshader-webgl',
+                '--enable-unsafe-swiftshader',
               ]
             }
           } : undefined
@@ -105,7 +104,6 @@ export default defineWorkspace([
                 '--use-vulkan=swiftshader',
                 '--use-webgpu-adapter=swiftshader',
                 '--use-angle=vulkan',
-                '--no-sandbox',
               ]
             }
           } : undefined
@@ -116,4 +114,4 @@ export default defineWorkspace([
       }
     }
   },
-]);
\ No newline at end of file
+]);