clean cache before npm install

libs/remix-tests/tests/testRunner.cli.spec.ts

@@ -10,7 +10,10 @@ describe('testRunner: remix-tests CLI', () => {
     if(result) {
         const dirContent = result.stdout.toString()
         // Install dependencies if 'node_modules' is not already present
-        if(!dirContent.includes('node_modules')) execSync('npm install', { cwd: resolve(__dirname + '/../../../dist/libs/remix-tests') })
+        if(!dirContent.includes('node_modules')) {
+          execSync('npm cache clean --force', { cwd: resolve(__dirname + '/../../../dist/libs/remix-tests') })
+          execSync('npm install', { cwd: resolve(__dirname + '/../../../dist/libs/remix-tests') })
+        }
     }