ServicesManager#{read,reset} return nil

src/modules/services_manager.rb

@@ -54,11 +54,13 @@ def import data
     def reset
       ServicesManagerTarget.reset
       ServicesManagerService.reset
+      nil
     end
 
     def read
       ServicesManagerTarget.read
       ServicesManagerService.read
+      nil
     end
 
     # Errors are delegated to ServiceManagerService

test/services_manager_test.rb

@@ -220,6 +220,34 @@ module Yast
         end
       end
     end
+
+    describe "#read" do
+      it "reads services and targets" do
+        expect(Yast::ServicesManagerService).to receive(:read)
+        expect(Yast::ServicesManagerTarget).to receive(:read)
+        subject.read
+      end
+
+      it "returns nil" do
+        allow(Yast::ServicesManagerService).to receive(:read)
+        allow(Yast::ServicesManagerTarget).to receive(:read)
+        expect(subject.read).to eq(nil)
+      end
+    end
+
+    describe "#reset" do
+      it "reads services and targets" do
+        expect(Yast::ServicesManagerService).to receive(:reset)
+        expect(Yast::ServicesManagerTarget).to receive(:reset)
+        subject.reset
+      end
+
+      it "returns nil" do
+        allow(Yast::ServicesManagerService).to receive(:reset)
+        allow(Yast::ServicesManagerTarget).to receive(:reset)
+        expect(subject.reset).to eq(nil)
+      end
+    end
   end
 
   context "Global public API" do