fix cpp_library reference in script

Author: ianfixes

exe/arduino_ci_remote.rb

@@ -53,6 +53,7 @@ def assure(message, &block)
 # initialize library under test
 installed_library_path = assure("Installing library under test") { @arduino_cmd.install_local_library(".") }
 library_examples = @arduino_cmd.library_examples(installed_library_path)
+cpp_library = ArduinoCI::CppLibrary.new(installed_library_path)
 
 # gather up all required boards so we can install them up front.
 # start with the "platforms to unittest" and add the examples