Add flag to prevent test cleanup

This is useful for manually inspecting a generated test fixture after it has failed

Author: thecrypticace

packages/tailwindcss-language-server/src/testing/index.ts

@@ -17,6 +17,7 @@ export interface Storage {
 export interface TestConfig<Extras extends {}> {
   name: string
   fs?: Storage
+  debug?: boolean
   prepare?(utils: TestUtils): Promise<Extras>
   handle(utils: TestUtils & Extras): void | Promise<void>
 
@@ -56,6 +57,8 @@ async function setup<T>(config: TestConfig<T>): Promise<TestUtils> {
 
     if (path.sep === '\\') return
 
+    if (config.debug) return
+
     // Remove the directory on *nix systems. Recursive removal on Windows will
     // randomly fail b/c its slow and buggy.
     await fs.rm(doneDir, { recursive: true })