Flaky test: `TestSetBreakpoints`

[crazy-max]

https://github.com/docker/buildx/actions/runs/21027902030/job/60456724218?pr=3597#step:7:13542

=== FAIL: dap TestSetBreakpoints (10.01s)
    client.go:96: [client] send: {"seq":1,"type":"request","command":"initialize","arguments":{"adapterID":"","linesStartAt1":false,"columnsStartAt1":false}}
    server.go:74: [server] recv: {"seq":1,"type":"request","command":"initialize","arguments":{"adapterID":"","linesStartAt1":false,"columnsStartAt1":false,"pathFormat":"path"}}
    server.go:200: [server] send: {"seq":1,"type":"response","request_seq":1,"success":true,"command":"initialize","body":{"supportsConfigurationDoneRequest":true}}
    client.go:44: [client] recv: {"seq":1,"type":"response","request_seq":1,"success":true,"command":"initialize","body":{"supportsConfigurationDoneRequest":true}}
    client.go:96: [client] send: {"seq":2,"type":"request","command":"launch","arguments":null}
    server.go:74: [server] recv: {"seq":2,"type":"request","command":"launch","arguments":null}
    server.go:200: [server] send: {"seq":2,"type":"response","request_seq":2,"success":true,"command":"launch"}
    client.go:44: [client] recv: {"seq":2,"type":"response","request_seq":2,"success":true,"command":"launch"}
    adapter_test.go:122: 
        	Error Trace:	/home/runner/work/buildx/buildx/dap/adapter_test.go:122
        	            				/home/runner/work/buildx/buildx/vendor/golang.org/x/sync/errgroup/errgroup.go:93
        	            				/opt/hostedtoolcache/go/1.25.5/x64/src/runtime/asm_amd64.s:1693
        	Error:      	did not receive initialized event
        	Test:       	TestSetBreakpoints
    server.go:200: [server] send: {"seq":3,"type":"event","event":"initialized"}
    client.go:44: [client] recv: {"seq":3,"type":"event","event":"initialized"}
    client.go:96: [client] send: {"seq":3,"type":"request","command":"setBreakpoints","arguments":{"source":{"name":"Dockerfile","path":"/home/runner/work/_temp/TestSetBreakpoints958380450/001/Dockerfile"}}}
    server.go:74: [server] recv: {"seq":3,"type":"request","command":"setBreakpoints","arguments":{"source":{"name":"Dockerfile","path":"/home/runner/work/_temp/TestSetBreakpoints958380450/001/Dockerfile"}}}
    server.go:200: [server] send: {"seq":4,"type":"response","request_seq":3,"success":true,"command":"setBreakpoints","body":{"breakpoints":[]}}
    client.go:44: [client] recv: {"seq":4,"type":"response","request_seq":3,"success":true,"command":"setBreakpoints","body":{"breakpoints":[]}}
    server.go:74: [server] recv error: context deadline exceeded
    adapter_test.go:131: 
        	Error Trace:	/home/runner/work/buildx/buildx/dap/adapter_test.go:131
        	            				/home/runner/work/buildx/buildx/vendor/golang.org/x/sync/errgroup/errgroup.go:93
        	            				/opt/hostedtoolcache/go/1.25.5/x64/src/runtime/asm_amd64.s:1693
        	Error:      	did not receive setBreakpoints response
        	Test:       	TestSetBreakpoints