Fix script

src/scripts/clear_budget_simulations_cache.ts

@@ -19,12 +19,16 @@ if (fs.pathExistsSync(indexFilePath)) {
 
 // Remove every budget simulation from cache.
 const budgetsDir = path.join(simulationsBudgetDir, "responses")
+if (fs.pathExistsSync(budgetsDir)) {
   if (fs.lstatSync(budgetsDir).isDirectory()) {
     fs.removeSync(budgetsDir)
   }
+}
 
 // Remove every test case simulation from cache.
 const testCasesDir = path.join(simulationsTestCasesDir, "responses")
+if (fs.pathExistsSync(testCasesDir)) {
   if (fs.lstatSync(testCasesDir).isDirectory()) {
     fs.removeSync(testCasesDir)
   }
+}