test: allow cold downloads across snapshot cases

Author: fengmk2

crates/vp_cli_snapshots/tests/cli_snapshots/README.md

@@ -194,7 +194,7 @@ A step is a bare argv array or a table:
                               #   any other name resolves from the case env
                               #   (`PATH = "${workspace}/bin${PATH_SEPARATOR}${PATH}"`
                               #   is the shell's `PATH="$(pwd)/bin:$PATH"`)
-  timeout = 120000,           # ms, default 120s (includes cold package-manager downloads)
+  timeout = 600000,           # ms, default 10 minutes (includes cold package-manager downloads)
   snapshot = false,           # omit the screen while the step succeeds
                               #   (failures always keep their output)
   continue-on-failure = true, # a failing step skips the rest of its line,

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/command_list_bun/snapshots.toml

@@ -2,9 +2,8 @@
 name = "command_list_bun"
 vp = "global"
 skip-platforms = ["windows"]
-# The initial install also downloads Bun into the fresh case home.
 steps = [
-  { argv = ["vp", "install"], comment = "should install packages first", timeout = 180000, continue-on-failure = true },
+  { argv = ["vp", "install"], comment = "should install packages first", continue-on-failure = true },
   { argv = ["vp", "pm", "list", "--help"], comment = "should show help", continue-on-failure = true },
   { argv = ["vp", "pm", "list"], comment = "should list installed packages", continue-on-failure = true },
 ]

crates/vp_cli_snapshots/tests/cli_snapshots/fixtures/command_update_bun_with_workspace/snapshots.toml

@@ -2,9 +2,8 @@
 name = "command_update_bun_with_workspace"
 vp = "global"
 skip-platforms = ["windows"]
-# Each case downloads Bun into a fresh home before the update commands.
 steps = [
-  { argv = ["vp", "install", "--", "--silent"], comment = "should install packages first", timeout = 180000, continue-on-failure = true },
+  { argv = ["vp", "install", "--", "--silent"], comment = "should install packages first", continue-on-failure = true },
   { argv = ["vp", "update", "testnpm2", "--filter", "app", "--", "--silent"], comment = "should update package in packages/app" },
   { argv = ["vpt", "print-file", "packages/app/package.json"], continue-on-failure = true },
 ]
@@ -19,7 +18,7 @@ steps = [
   { argv = ["vpt", "write-file", "packages/app/package.json", '{"name":"app","version":"1.0.0","dependencies":{"is-number":"6.0.0"}}'], snapshot = false },
   { argv = ["vpt", "mkdir", "packages/utils"], snapshot = false },
   { argv = ["vpt", "write-file", "packages/utils/package.json", '{"name":"utils","version":"1.0.0","dependencies":{"is-number":"6.0.0"}}'], snapshot = false },
-  { argv = ["vp", "install", "--ignore-scripts"], snapshot = false, timeout = 180000 },
+  { argv = ["vp", "install", "--ignore-scripts"], snapshot = false },
   { argv = ["vp", "update", "--recursive", "is-number@7.0.0", "--", "--ignore-scripts"], cwd = "packages/app", comment = "Bun 1.4 updates the root and both workspaces even when invoked from a child" },
   ["vpt", "print-file", "package.json", "packages/app/package.json", "packages/utils/package.json"],
   ["vpt", "print-file", "bun.lock"],
@@ -35,7 +34,7 @@ steps = [
   { argv = ["vpt", "write-file", "packages/app/package.json", '{"name":"app","version":"1.0.0","dependencies":{"is-number":"6.0.0"}}'], snapshot = false },
   { argv = ["vpt", "mkdir", "packages/utils"], snapshot = false },
   { argv = ["vpt", "write-file", "packages/utils/package.json", '{"name":"utils","version":"1.0.0","dependencies":{"is-number":"6.0.0"}}'], snapshot = false },
-  { argv = ["vp", "install", "--ignore-scripts"], snapshot = false, timeout = 180000 },
+  { argv = ["vp", "install", "--ignore-scripts"], snapshot = false },
   { argv = ["vp", "update", "--recursive", "--filter", "utils", "is-number@7.0.0", "--", "--ignore-scripts"], cwd = "packages/app", comment = "an explicit filter limits recursive updates to the selected workspace" },
   ["vpt", "print-file", "package.json", "packages/app/package.json", "packages/utils/package.json"],
   ["vpt", "print-file", "bun.lock"],

crates/vp_cli_snapshots/tests/cli_snapshots/main.rs

@@ -39,11 +39,12 @@ use flavor::{Flavor, FlavorRuntime};
 use redact::redact_output;
 use vt_pty_terminal_test::{CommandBuilder, ScreenSize, TestTerminal};
 
-/// Cases have isolated package-manager installs. Downloading a native Bun or
-/// pnpm binary can exceed a minute on CI, before the command itself starts.
-/// Keep the same allowance as registry-backed installs on every platform.
+/// Cases have isolated package-manager installs. CI can take several minutes
+/// to download a native Bun or pnpm binary before the command itself starts.
+/// Allow the same ten-minute budget as the CLI's large-file downloads instead
+/// of killing a transfer that is still making progress after two minutes.
 /// Individual steps override this via `timeout` (ms).
-const STEP_TIMEOUT: Duration = Duration::from_secs(120);
+const STEP_TIMEOUT: Duration = Duration::from_secs(600);
 
 /// Screen size for the PTY terminal. Large enough to avoid line wrapping.
 const SCREEN_SIZE: ScreenSize = ScreenSize { rows: 500, cols: 500 };