test: fix test failures

spec/lib/generators/command_generator_spec.rb

@@ -16,7 +16,7 @@ describe NexusCqrs::CommandGenerator, type: :generator do
   end
 
   it "creates the registration config file for handlers" do
-    line = "$COMMAND_EXECUTOR.register_command(TestCommand, TestCommandHandler)"
+    line = "$COMMAND_EXECUTOR.register_command(TestCommand, TestCommandHandler.new)"
     base_path = File.expand_path("../../tmp", __FILE__)
     expect(File.read(base_path + "/config/initializers/register_cqrs_handlers.rb")).to(include(line))
   end
@@ -34,7 +34,7 @@ describe NexusCqrs::CommandGenerator, type: :generator do
     end
 
     it "creates the registration config file for handlers" do
-      line = "$COMMAND_EXECUTOR.register_command(Test::TestCommand, Test::TestCommandHandler)"
+      line = "$COMMAND_EXECUTOR.register_command(Test::TestCommand, Test::TestCommandHandler.new)"
       base_path = File.expand_path("../../tmp", __FILE__)
       expect(File.read(base_path + "/config/initializers/register_cqrs_handlers.rb")).to(include(line))
     end

spec/lib/generators/query_generator_spec.rb

@@ -16,7 +16,7 @@ describe NexusCqrs::QueryGenerator, type: :generator do
   end
 
   it "creates the registration config file for handlers" do
-    line = "$QUERY_EXECUTOR.register_command(TestQuery, TestQueryHandler)"
+    line = "$QUERY_EXECUTOR.register_command(TestQuery, TestQueryHandler.new)"
     base_path = File.expand_path("../../tmp", __FILE__)
     expect(File.read(base_path + "/config/initializers/register_cqrs_handlers.rb")).to(include(line))
   end
@@ -34,7 +34,7 @@ describe NexusCqrs::QueryGenerator, type: :generator do
     end
 
     it "creates the registration config file for handlers" do
-      line = "$QUERY_EXECUTOR.register_command(Test::TestQuery, Test::TestQueryHandler)"
+      line = "$QUERY_EXECUTOR.register_command(Test::TestQuery, Test::TestQueryHandler.new)"
       base_path = File.expand_path("../../tmp", __FILE__)
       expect(File.read(base_path + "/config/initializers/register_cqrs_handlers.rb")).to(include(line))
     end