Spec sandbox rake task

Author: stevelacey

.github/workflows/tests.yml

@@ -17,4 +17,5 @@ jobs:
         with:
           ruby-version: 2.7
       - run: bundle install
-      - run: VCR=off bundle exec rake
+      - run: rake spec:sandbox
+      - run: rake rubocop

README.md

@@ -237,9 +237,8 @@ rspec --tag integration
 ```
 
 By default, this runs the integration tests against [VCR recordings](https://github.com/vcr/vcr) of the Sandbox API with an official CloudConvert account.
-If you would like to use your own account, you can set your API key using the `CLOUDCONVERT_API_KEY` environment variable.
+If you would like to use your own account, you can set your API key using the `CLOUDCONVERT_API_KEY` environment variable and disable VCR with `VCR=off` or by using the `rake spec:sandbox` task.
 In this case you need to whitelist the following MD5 hashes for Sandbox API (using the CloudConvert dashboard).
-If you want the tests to do real web requests pass `VCR=off`.
 
 ```
 53d6fe6b688c31c565907c81de625046  input.pdf

Rakefile

@@ -3,6 +3,22 @@ require "bundler/gem_tasks"
 require "rspec/core/rake_task"
 RSpec::Core::RakeTask.new(:spec)
 
+namespace :spec do
+  RSpec::Core::RakeTask.new(:integration) do |t|
+    t.rspec_opts = "--tag integration"
+  end
+
+  RSpec::Core::RakeTask.new(:sandbox) do |t|
+    ENV["VCR"] = "off"
+  end
+
+  RSpec::Core::RakeTask.new(:unit) do |t|
+    t.rspec_opts = "--tag unit"
+  end
+
+  RSpec::Core::RakeTask.new(:vcr)
+end
+
 require "rubocop/rake_task"
 RuboCop::RakeTask.new