fix: expand path for Capybara.save_path and pass to Ferrum

Refs: #213

Author: route

.rubocop.yml

@@ -1,6 +1,7 @@
 AllCops:
   TargetRubyVersion: 2.6
   NewCops: enable
+  SuggestExtensions: false
 
 Layout/FirstArrayElementIndentation:
   EnforcedStyle: consistent
@@ -53,3 +54,5 @@ Metrics/ModuleLength:
 Metrics/PerceivedComplexity:
   Max: 14
 
+require:
+  - rubocop-rake

Gemfile

@@ -4,5 +4,6 @@ source "https://rubygems.org"
 
 gem "byebug", "~> 11.0", platforms: %i[mri mingw x64_mingw]
 gem "rubocop", "~> 1.22"
+gem "rubocop-rake", require: false
 
 gemspec

lib/capybara/cuprite/driver.rb

@@ -33,7 +33,7 @@ def initialize(app, options = {})
         @screen_size = @options.delete(:screen_size)
         @screen_size ||= DEFAULT_MAXIMIZE_SCREEN_SIZE
 
-        @options[:save_path] = Capybara.save_path.to_s if Capybara.save_path
+        @options[:save_path] = File.expand_path(Capybara.save_path) if Capybara.save_path
 
         ENV["FERRUM_DEBUG"] = "true" if ENV["CUPRITE_DEBUG"]