Modify the test module, add the file upload test, and add the image edit api (#63)

* Modify the test module, add the file upload test, and add the image editing api

* fix golangci-lint

* fix golangci-lint

* Static file deletion, file directory name modification

* fix

* test-server-related logic encapsulated in a single tidy
 struct

---------

Co-authored-by: julian_huang <[email protected]>

Author: Rascal0814

.gitignore

@@ -15,4 +15,5 @@
 # vendor/
 
 # Auth token for tests
-.openai-token
+.openai-token
+.idea