added test coverage for methods queued from UI

spec/replication/util/miq_pglogical_spec.rb

@@ -142,4 +142,26 @@
       expect(described_class.node_name_to_region("region_5")).to eq(5)
     end
   end
+
+  describe ".save_replication_type" do
+    it "update replication type for this region" do
+      expect(MiqRegion).to receive(:replication_type=).with(:remote)
+      described_class.save_replication_type(:remote)
+    end
+  end
+
+  describe ".save_remote_region" do
+    it "sets replication type for this region to 'remote'" do
+      allow(described_class).to receive(:refresh_excludes)
+      expect(described_class).to receive(:save_replication_type).with(:remote)
+      described_class.save_remote_region("")
+    end
+
+    it "updates list of tables to be excluded from replication" do
+      tables = "---\n- vmdb_databases\n- vmdb_indexes\n- vmdb_metrics\n- vmdb_tables\n"
+      allow(described_class).to receive(:save_replication_type).with(:remote)
+      expect(described_class).to receive(:refresh_excludes).with(YAML.safe_load(tables))
+      described_class.save_remote_region(tables)
+    end
+  end
 end