"go test -v -timeout 1h0m0s -remote TestProtonDrive: -verbose -test.run '^TestIntegration$'" - Starting (try 4/5)
=== RUN   TestIntegration
    fstests.go:438: Using remote "TestProtonDrive:"
2026/04/02 04:34:08 DEBUG : Creating backend with remote "TestProtonDrive:rclone-test-kasujoc7lahe"
2026/04/02 04:34:08 DEBUG : Using config file from "/home/rclone/.rclone.conf"
2026/04/02 04:34:08 DEBUG : proton drive root link ID 'rclone-test-kasujoc7lahe': Has cached credentials
2026/04/02 04:34:10 DEBUG : proton drive root link ID 'rclone-test-kasujoc7lahe': Used cached credential to initialize the ProtonDrive API
2026/04/02 04:34:10 DEBUG : Config file has changed externally - reloading
=== RUN   TestIntegration/FsCheckWrap
    fstests.go:479: Not a wrapping Fs
=== RUN   TestIntegration/FsCommand
    fstests.go:507: No commands in this remote
=== RUN   TestIntegration/FsRmdirNotFound
2026/04/02 04:34:11.794645 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/02 04:34:11.794675 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
=== NAME  TestIntegration
    fstests.go:530: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstests/fstests.go:530
        	            				/home/rclone/go/src/github.com/rclone/rclone/backend/protondrive/protondrive_test.go:12
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestIntegration
--- FAIL: TestIntegration (3.41s)
    --- SKIP: TestIntegration/FsCheckWrap (0.00s)
    --- SKIP: TestIntegration/FsCommand (0.00s)
    --- PASS: TestIntegration/FsRmdirNotFound (0.13s)
FAIL
exit status 1
FAIL	github.com/rclone/rclone/backend/protondrive	3.434s
"go test -v -timeout 1h0m0s -remote TestProtonDrive: -verbose -test.run '^TestIntegration$'" - Finished ERROR in 4.351892671s (try 4/5): exit status 1: Failed [TestIntegration]