fixing testcases

library/general/src/lib/cfa/sysctl_config.rb

@@ -110,7 +110,8 @@ def conflict?(only: [], show_information: true)
       textdomain "base"
       return false if yast_config_file.empty?
 
-      conflicting_attrs = Sysctl::ATTRIBUTES.keys & only
+      conflicting_attrs = Sysctl::ATTRIBUTES.keys
+      conflicting_attrs &= only unless only.empty?
       conflicts = {}
       higher_precedence_files.each do |file|
         # Checking all "higher" files if their values overrule the current

library/general/test/cfa/sysctl_config_test.rb

@@ -196,21 +196,22 @@
           end
         end
       end
-      #       context "when some main file value is overriden" do
-      #         let(:tcp_syncookies) { false }
-      #
-      #         it "returns true" do
-      #           expect(config.conflict?).to eq(true)
-      #         end
-      #       end
+
+      context "when some main file value is overriden" do
+        let(:tcp_syncookies) { false }
+
+        it "returns true" do
+          expect(config.conflict?).to eq(true)
+        end
+      end
+
       context "when no value is overriden" do
         let(:tcp_syncookies) { true }
 
         it "returns false" do
           expect(config.conflict?).to be(false)
         end
       end
-
     end
   end
 end