Golang x/tools/gopls/internal/test/marker: Test/mcptools/search.txt failures

#!watchflakes
default <- pkg == "golang.org/x/tools/gopls/internal/test/marker" && test == "Test/mcptools/search.txt"

Issue created automatically to collect these failures.

Example (log):

=== RUN   Test/mcptools/search.txt
=== PAUSE Test/mcptools/search.txt
=== CONT  Test/mcptools/search.txt
    marker_test.go:2510: go.mod:5:3 (mcptools/search.txt:12:3): failed to call mcp tool: calling "tools/call": Post "http://127.0.0.1:51905/?sessionid=FGMINMLTZT6NW7NPEK5NQYN6HM": net/http: HTTP/1.x transport connection broken: http: CloseIdleConnections called
    marker_test.go:2510: go.mod:6:3 (mcptools/search.txt:13:3): failed to call mcp tool: calling "tools/call": connection closed
    marker_test.go:2510: go.mod:7:3 (mcptools/search.txt:14:3): failed to call mcp tool: calling "tools/call": connection closed
--- FAIL: Test/mcptools/search.txt (1.19s)

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/tools/gopls/internal/test/marker" && test == "Test/mcptools/search.txt"

2025-07-09 17:10 x_tools-go1.24-darwin-arm64_11 tools@7cbfe75a release-branch.go1.24@9d828e80 x/tools/gopls/internal/test/marker.Test/mcptools/search.txt (log)

=== RUN Test/mcptools/search.txt === PAUSE Test/mcptools/search.txt === CONT Test/mcptools/search.txt marker_test.go:2510: go.mod:5:3 (mcptools/search.txt:12:3): failed to call mcp tool: calling "tools/call": Post "http://127.0.0.1:51905/?sessionid=FGMINMLTZT6NW7NPEK5NQYN6HM": net/http: HTTP/1.x transport connection broken: http: CloseIdleConnections called marker_test.go:2510: go.mod:6:3 (mcptools/search.txt:13:3): failed to call mcp tool: calling "tools/call": connection closed marker_test.go:2510: go.mod:7:3 (mcptools/search.txt:14:3): failed to call mcp tool: calling "tools/call": connection closed --- FAIL: Test/mcptools/search.txt (1.19s)

— watchflakes