diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 05a36fd57..b00843f9b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ on: [push, pull_request]
 jobs:
   Tests:
     runs-on: ubuntu-latest
-    container: registry.opensuse.org/yast/head/containers/yast-ruby:latest
+    container: registry.opensuse.org/yast/sle-15/sp3/containers/yast-ruby:latest
 
     steps:
 
@@ -37,7 +37,7 @@ jobs:
 
   Rubocop:
     runs-on: ubuntu-latest
-    container: registry.opensuse.org/yast/head/containers/yast-ruby:latest
+    container: registry.opensuse.org/yast/sle-15/sp3/containers/yast-ruby:latest
 
     steps:
 
@@ -49,7 +49,7 @@ jobs:
 
   Package:
     runs-on: ubuntu-latest
-    container: registry.opensuse.org/yast/head/containers/yast-ruby:latest
+    container: registry.opensuse.org/yast/sle-15/sp3/containers/yast-ruby:latest
 
     steps:
 
@@ -61,7 +61,7 @@ jobs:
 
   Yardoc:
     runs-on: ubuntu-latest
-    container: registry.opensuse.org/yast/head/containers/yast-ruby:latest
+    container: registry.opensuse.org/yast/sle-15/sp3/containers/yast-ruby:latest
 
     steps:
 
@@ -75,7 +75,7 @@ jobs:
   # checks into one job avoids that overhead
   Checks:
     runs-on: ubuntu-latest
-    container: registry.opensuse.org/yast/head/containers/yast-ruby:latest
+    container: registry.opensuse.org/yast/sle-15/sp3/containers/yast-ruby:latest
 
     steps:
 
diff --git a/Rakefile b/Rakefile
index 0ebcf2e9e..2ec5b618b 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,5 +1,7 @@
 require "yast/rake"
 
+Yast::Tasks.submit_to :sle15sp3
+
 Yast::Tasks.configuration do |conf|
   # lets ignore license check for now
   conf.skip_license_check << /.*/
diff --git a/library/general/src/lib/cfa/login_defs.rb b/library/general/src/lib/cfa/login_defs.rb
index 5edc56b9b..c1966bffe 100644
--- a/library/general/src/lib/cfa/login_defs.rb
+++ b/library/general/src/lib/cfa/login_defs.rb
@@ -65,6 +65,8 @@ class LoginDefs < BaseModel
       :userdel_precmd
     ].freeze
 
+    DEFAULT_PATH = "/etc/login.defs".freeze
+
     class << self
       # Returns the list of known attributes
       #
@@ -80,7 +82,7 @@ def known_attributes
       # @param file_handler [#read,#write] something able to read/write a string (like File)
       # @param file_path    [String] File path
       # @return [LoginDefs] File with the already loaded content
-      def load(file_path:, file_handler: Yast::TargetFile)
+      def load(file_path: DEFAULT_PATH, file_handler: Yast::TargetFile)
         new(file_path: file_path, file_handler: file_handler).tap(&:load)
       end
     end
@@ -98,7 +100,7 @@ def load(file_path:, file_handler: Yast::TargetFile)
     # @param file_path    [String] File path
     #
     # @see CFA::BaseModel#initialize
-    def initialize(file_path:, file_handler: Yast::TargetFile)
+    def initialize(file_path: DEFAULT_PATH, file_handler: Yast::TargetFile)
       super(AugeasParser.new("login_defs.lns"), file_path, file_handler: file_handler)
     end
 
diff --git a/library/general/src/modules/ShadowConfig.rb b/library/general/src/modules/ShadowConfig.rb
index 2118ed36a..253812f51 100644
--- a/library/general/src/modules/ShadowConfig.rb
+++ b/library/general/src/modules/ShadowConfig.rb
@@ -23,7 +23,6 @@
 module Yast
   # This class allows to access the API to handle login.defs attributes from Perl
   #
-  # @see CFA::LoginDefs
   # @see CFA::ShadowConfig
   class ShadowConfigClass < Module
     include Logger
diff --git a/library/general/test/cfa/login_defs_test.rb b/library/general/test/cfa/login_defs_test.rb
index 0646f610a..913923e52 100644
--- a/library/general/test/cfa/login_defs_test.rb
+++ b/library/general/test/cfa/login_defs_test.rb
@@ -90,4 +90,22 @@
       end
     end
   end
+
+  describe "#present_attributes" do
+    it "returns the list of present attributes" do
+      expect(login_defs.present_attributes).to include(*ATTRS_VALUES.keys)
+    end
+  end
+
+  describe "#conflicts" do
+    subject(:other) { described_class.new(file_path: file_path, file_handler: file_handler) }
+
+    before do
+      other.encrypt_method = "SHA256"
+    end
+
+    it "returns the list of attributes with different values" do
+      expect(login_defs.conflicts(other)).to eq([:encrypt_method])
+    end
+  end
 end
diff --git a/library/general/test/login_defs_config_test.rb b/library/general/test/shadow_config_test.rb
similarity index 100%
rename from library/general/test/login_defs_config_test.rb
rename to library/general/test/shadow_config_test.rb
diff --git a/package/yast2.changes b/package/yast2.changes
index b6eaac5be..a9080a799 100644
--- a/package/yast2.changes
+++ b/package/yast2.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Apr 12 15:12:41 UTC 2021 - Imobach Gonzalez Sosa <igonzalezsosa@suse.com>
+
+- Add a default value for file_path argument in ::new and ::load
+  methods of CFA::LoginDefs class.
+
 -------------------------------------------------------------------
 Mon Mar 29 09:46:31 UTC 2021 - Imobach Gonzalez Sosa <igonzalezsosa@suse.com>