diff --git a/xCAT-test/bats/go_xcat_activation.bats b/xCAT-test/bats/go_xcat_activation.bats
new file mode 100644
index 000000000..22621e168
--- /dev/null
+++ b/xCAT-test/bats/go_xcat_activation.bats
@@ -0,0 +1,116 @@
+#!/usr/bin/env bats
+
+load helpers/script_sandbox
+
+setup() {
+    setup_script_sandbox awk cat comm cp cut dirname grep head id ln mkdir mktemp mv rm sed sleep sort tr wc xargs
+    mkdir -p "$fixture/etc/yum.repos.d" "$fixture/tools"
+    sandbox+=(--uid 0 --gid 0
+        --ro-bind "$(repo_path xCAT-server/share/xcat/tools/go-xcat)" /run/go-xcat)
+    # An inherited library-only setting must not disable the command.
+    sandbox+=(--setenv GO_XCAT_LIBRARY_ONLY 1)
+    cat >"$fixture/tools/manager" <<'SH'
+#!/bin/sh
+operation=
+for arg do
+    case "$arg" in install|remove) operation=$arg; continue ;; esac
+    [ -n "$operation" ] || continue
+    case "$arg" in -*) continue ;; esac
+    printf '%s %s\n' "$operation" "$arg" >> /run/fixture/transactions
+done
+[ "$operation" != install ] || exit 17
+case "$*" in *repoquery*) printf '%s\n' fixture-package ;; esac
+exit 0
+SH
+    cat >"$fixture/tools/rpm" <<'SH'
+#!/bin/sh
+case "$*" in
+    '-q --quiet '*) grep -Fxq "$3" /run/fixture/installed ;;
+    *) exit 0 ;;
+esac
+SH
+    cat >"$fixture/tools/dpkg-query" <<'SH'
+#!/bin/sh
+if grep -Fxq "$3" /run/fixture/installed; then printf 'install ok installed'; else exit 1; fi
+SH
+    printf '#!/bin/sh\nexit 0\n' >"$fixture/tools/apt-cache"
+    printf '#!/bin/sh\nexit 22\n' >"$fixture/bin/curl"
+    chmod +x "$fixture/bin/curl" "$fixture/tools/"*
+    : >"$fixture/installed"
+    : >"$fixture/transactions"
+}
+
+invoke() {
+    local format=$1 architecture=$2 action=$3
+    local debian_arch=$architecture
+    if [ "$format" = rpm ]; then
+        printf 'ID=almalinux\nVERSION_ID=8.10\n' >"$fixture/etc/os-release"
+        cp "$fixture/tools/rpm" "$fixture/bin/rpm"
+        cp "$fixture/tools/manager" "$fixture/bin/dnf"
+    else
+        [ "$architecture" != x86_64 ] || debian_arch=amd64
+        printf '#!/bin/sh\nprintf "%%s\\n" "%s"\n' "$debian_arch" >"$fixture/bin/dpkg"
+        chmod +x "$fixture/bin/dpkg"
+        mkdir -p "$fixture/etc/apt/sources.list.d" "$fixture/var/lib/apt/lists"
+        printf 'ID=ubuntu\nVERSION_ID=24.04\n' >"$fixture/etc/os-release"
+        printf 'DISTRIB_CODENAME=noble\n' >"$fixture/etc/lsb-release"
+        printf 'Package: fixture-package\nVersion: 1\n' >"$fixture/var/lib/apt/lists/test_xcat-core_dists_noble_main_binary-${debian_arch}_Packages"
+        cp "$fixture/var/lib/apt/lists/test_xcat-core_dists_noble_main_binary-${debian_arch}_Packages" "$fixture/var/lib/apt/lists/test_xcat-dep_dists_noble_main_binary-${debian_arch}_Packages"
+        cp "$fixture/tools/dpkg-query" "$fixture/bin/dpkg-query"
+        cp "$fixture/tools/apt-cache" "$fixture/bin/apt-cache"
+        cp "$fixture/tools/manager" "$fixture/bin/apt-get"
+    fi
+    run "${sandbox[@]}" --setenv HOSTTYPE "$architecture" \
+        timeout 30 bash /run/go-xcat -y \
+        --xcat-core=https://packages.example.test/core \
+        --xcat-dep=https://packages.example.test/dep "$action"
+}
+
+check_uninstall() {
+    local format=$1 selection=$2 name prefix=xCAT
+    [ "$format" != deb ] || prefix=xcat
+    local architectures=(x86 x86_64 ppc64 ppc64le armv7hf aarch64 riscv64 s390x)
+    [ "$selection" != subset ] || architectures=(ppc64le riscv64)
+    for name in "${architectures[@]}"; do
+        [ "$format" != deb ] || name=${name//_/-}
+        printf '%s-genesis-openembedded-%s\n' "$prefix" "$name"
+    done >"$fixture/installed"
+    printf 'unrelated-package\n' >>"$fixture/installed"
+    invoke "$format" x86_64 uninstall
+    [ "$status" -eq 0 ] || { echo "$output" >&2; return 1; }
+    grep -v '^unrelated-package$' "$fixture/installed" | sed 's/^/remove /' | sort >"$fixture/expected"
+    sort "$fixture/transactions" >"$fixture/actual"
+    diff -u "$fixture/expected" "$fixture/actual"
+}
+
+check_install() {
+    local format=$1 architecture=$2 prefix=xCAT legacy=ppc64 x86=x86_64
+    if [ "$format" = deb ]; then prefix=xcat; legacy=ppc64el; x86=amd64; fi
+    invoke "$format" "$architecture" install
+    [ "$status" -eq 17 ] || { echo "$output" >&2; return 1; }
+    local packages=("perl-$prefix" "$prefix-client" "$prefix" "$prefix-buildkit" "$prefix-server"
+        elilo-xcat grub2-xcat ipmitool-xcat syslinux-xcat ipxe-xcat xnba-undi)
+    if [ "$architecture" = riscv64 ]; then
+        packages+=("$prefix-genesis-openembedded-riscv64")
+    else
+        packages+=("$prefix-genesis-scripts-$legacy" "$prefix-genesis-scripts-$x86"
+            "$prefix-genesis-base-$legacy" "$prefix-genesis-base-$x86")
+    fi
+    [ "$format" != rpm ] || packages+=(initscripts)
+    printf 'install %s\n' "${packages[@]}" | sort >"$fixture/expected"
+    sort "$fixture/transactions" >"$fixture/actual"
+    diff -u "$fixture/expected" "$fixture/actual" || {
+        echo "$output" >&2
+        [ ! -f "$fixture/tmp/go-xcat.log" ] || cat "$fixture/tmp/go-xcat.log" >&2
+        return 1
+    }
+}
+
+@test "RPM uninstall removes all installed OpenEmbedded architectures" { check_uninstall rpm all; }
+@test "DEB uninstall removes all installed OpenEmbedded architectures" { check_uninstall deb all; }
+@test "RPM uninstall excludes absent and unrelated packages" { check_uninstall rpm subset; }
+@test "DEB uninstall excludes absent and unrelated packages" { check_uninstall deb subset; }
+@test "RPM RISC-V installation selects OpenEmbedded and keeps other packages" { check_install rpm riscv64; }
+@test "DEB RISC-V installation selects OpenEmbedded and keeps other packages" { check_install deb riscv64; }
+@test "RPM x86 installation retains its legacy Genesis packages" { check_install rpm x86_64; }
+@test "DEB x86 installation retains its legacy Genesis packages" { check_install deb x86_64; }
diff --git a/xCAT-test/unit/genesis_openembedded_activation.t b/xCAT-test/unit/genesis_openembedded_activation.t
index 743eac141..5a694aa5b 100644
--- a/xCAT-test/unit/genesis_openembedded_activation.t
+++ b/xCAT-test/unit/genesis_openembedded_activation.t
@@ -57,26 +57,6 @@ like(
     'DEB service nodes recommend the s390x image',
 );
 
-my $go_xcat = slurp_repo_file('xCAT-server/share/xcat/tools/go-xcat');
-unlike(
-    $go_xcat,
-    qr/GO_XCAT_LIBRARY_ONLY/,
-    'go-xcat cannot be disabled by an inherited test environment variable',
-);
-for my $architecture (qw(x86 x86_64 ppc64 ppc64le armv7hf aarch64 riscv64 s390x)) {
-    like(
-        $go_xcat,
-        qr/\bxCAT-genesis-openembedded-\Q$architecture\E\b/,
-        "go-xcat removes the $architecture RPM image",
-    );
-    (my $deb_architecture = $architecture) =~ tr/_/-/;
-    like(
-        $go_xcat,
-        qr/\bxcat-genesis-openembedded-\Q$deb_architecture\E\b/,
-        "go-xcat removes the $architecture DEB image",
-    );
-}
-
 my $mknb_pod = slurp_repo_file('xCAT-client/pods/man8/mknb.8.pod');
 like(
     $mknb_pod,