diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ab8a395..87f5f2c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,6 +33,7 @@ jobs:
       - name: Setup xvfb (Linux)
         if: runner.os == 'Linux'
         run: |
+          sudo apt-get update
           sudo apt-get install -y xvfb g++-multilib
           sudo /usr/bin/Xvfb $DISPLAY -screen 0 1280x1024x24 &
       - name: Prepare python3.10
diff --git a/build/webpack.tests.config.js b/build/webpack.tests.config.js
index 5d85d8c..1e3c957 100644
--- a/build/webpack.tests.config.js
+++ b/build/webpack.tests.config.js
@@ -11,6 +11,7 @@ const entryFilePath = tempDir.path("testsInit.js");
 
 const testsImports = testsDir
   .find({ matching: process.env.TEST ? `${process.env.TEST}.test.js` : "*.test.js" })
+  .filter(test => (process.env.ALL || !test.includes('optional')))
   .reduce((fileContent, path) => {
     const normalizedPath = path.replace(/\\/g, "/");
     return `${fileContent}require("../tests/${normalizedPath}");\n`;
diff --git a/tests/strategies/rutracker.test.js b/tests/strategies/rutracker.optional.test.js
similarity index 100%
rename from tests/strategies/rutracker.test.js
rename to tests/strategies/rutracker.optional.test.js