CI: Fixed #run_command spec on Windows.

spec/aruba/api/commands_spec.rb

@@ -6,8 +6,10 @@
   include_context "uses aruba API"
 
   describe "#run_command" do
+    let(:cmd) { 'ruby -ne "puts $_"' }
+
     context "when succesfully running a command" do
-      before { @aruba.run_command "cat" }
+      before { @aruba.run_command cmd }
 
       after { @aruba.all_commands.each(&:stop) }
 
@@ -33,6 +35,15 @@
         @aruba.write_file(@file_name, "Hello\nWorld!")
         @aruba.pipe_in_file(@file_name)
         @aruba.close_input
+
+        @aruba.last_command_started.stop
+        last_command_output = @aruba.last_command_started.output
+
+        # Convert \r\n to \n, if present in the output
+        if last_command_output.include?("\r\n")
+          allow(@aruba.last_command_started).to receive(:output).and_return(last_command_output.gsub("\r\n", "\n"))
+        end
+
         expect(@aruba.last_command_started).to have_output "Hello\nWorld!"
       end
     end
@@ -47,7 +58,7 @@
       end
 
       it "raises an error" do
-        expect { @aruba.run_command "cat" }.to raise_error NotImplementedError
+        expect { @aruba.run_command cmd }.to raise_error NotImplementedError
       end
     end