Add linux_only: true to new linux user specs (#13252)

* Add linux_only: true to new linux user specs
* Address Trailing Comma and nonexisting group in SLES 15

Signed-off-by: Thomas Powell <powell@progress.com>

2 files changed, 9 insertions, 2 deletions

diff --git a/spec/functional/resource/user/linux_user_spec.rb b/spec/functional/resource/user/linux_user_spec.rb
index a2d99bbb03..e77ada103c 100644
--- a/spec/functional/resource/user/linux_user_spec.rb
+++ b/spec/functional/resource/user/linux_user_spec.rb
@@ -20,6 +20,7 @@ require "chef/mixin/shell_out"
 
 metadata = {
   requires_root: true,
+  linux_only: true,
 }
 
 describe "Chef::Resource::User with Chef::Provider::User::LinuxUser provider", metadata do
@@ -63,7 +64,12 @@ describe "Chef::Resource::User with Chef::Provider::User::LinuxUser provider", m
   end
 
   let(:uid) { nil }
-  let(:gid) { 20 }
+  let(:gid) do
+    # SLES 15 doesn't have the "20" group and
+    # so lets just pick the last group... no,
+    # Etc.group.map(&:gid).last does not work
+    Etc.enum_for(:group).map(&:gid).last
+  end
   let(:home) { nil }
   let(:manage_home) { false }
   let(:password) { "XXXYYYZZZ" }
@@ -76,6 +82,7 @@ describe "Chef::Resource::User with Chef::Provider::User::LinuxUser provider", m
     r.username(username)
     r.uid(uid)
     r.gid(gid)
+
     r.home(home)
     r.shell(shell)
     r.comment(comment)
diff --git a/spec/unit/provider/user/linux_spec.rb b/spec/unit/provider/user/linux_spec.rb
index 3b56d13d04..27b226773d 100644
--- a/spec/unit/provider/user/linux_spec.rb
+++ b/spec/unit/provider/user/linux_spec.rb
@@ -20,7 +20,7 @@
 
 require "spec_helper"
 
-describe Chef::Provider::User::Linux do
+describe Chef::Provider::User::Linux, linux_only: true do
 
   subject(:provider) do
     p = described_class.new(@new_resource, @run_context)