diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3d97cdb..7dd4d8f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -81,7 +81,7 @@ jobs:
         if: startsWith(matrix.config.name, 'Ubuntu')
         run: |
           sudo apt-get update
-          sudo apt-get install cmake libxrandr-dev libxinerama-dev libxcursor-dev mesa-common-dev libx11-xcb-dev pkg-config nodejs npm
+          sudo apt-get install cmake libxrandr-dev libxinerama-dev libxcursor-dev mesa-common-dev libx11-xcb-dev pkg-config nodejs npm mesa-vulkan-drivers libvulkan1
           cmake --version
           gcc --version
 
diff --git a/build/constants.js b/build/constants.js
index 8c5dcab..e448348 100644
--- a/build/constants.js
+++ b/build/constants.js
@@ -9,3 +9,4 @@ export const kConfig = process.env.CMAKE_BUILD_TYPE ?? 'Release';
 
 export const isMac = process.platform === 'darwin';
 export const isWin = process.platform === 'win32';
+export const isLinux = process.platform === 'linux';
diff --git a/test/functional-tests.js b/test/functional-tests.js
index 2984901..2d38638 100644
--- a/test/functional-tests.js
+++ b/test/functional-tests.js
@@ -8,7 +8,5 @@ Promise.withResolvers = Promise.withResolvers ?? function() {
   return o;
 };
 
-if (isWin || isMac) {
-  await import('./tests/basic-tests.js');
-  //await import('./tests/reference-count-tests.js');
-}
+await import('./tests/basic-tests.js');
+//await import('./tests/reference-count-tests.js');
diff --git a/test/webgpu.js b/test/webgpu.js
index 99fbb33..68242ee 100644
--- a/test/webgpu.js
+++ b/test/webgpu.js
@@ -1,11 +1,12 @@
 import { create, globals } from '../index.js';
-import { isWin } from '../build/constants.js';
+import { isWin, isLinux } from '../build/constants.js';
 import { addElemIf } from '../build/utils.js';
 
 export function getGPU() {
   const options = [];
   if (!!process.env.WEBGPU_USE_CI_AVAILABLE_RENDERER) {
     options.push(...addElemIf(isWin, 'adapter=Microsoft'));
+    options.push(...addElemIf(isLinux, 'adapter=llvmpipe'));
   }
   return { gpu: create(options), globals };
 }