class RuboCop::Cop::RSpec::Focus

end
describe MyClass do
# good
end
fdescribe MyClass do
end
describe MyClass, :focus do
end
describe MyClass, focus: true do
# bad
@example
Checks if examples are focused.

def focus_metadata(node, &block) 

def focus_metadata(node, &block)
  yield(node) if focused_block?(node)
  metadata(node) do |matches|
    matches.grep(FOCUS_SYMBOL, &block)
    matches.grep(FOCUS_TRUE, &block)
  end
end

def on_send(node) 

def on_send(node)
  focus_metadata(node) do |focus|
    add_offense(focus, location: :expression)
  end
end