diff --git a/.rspec b/.rspec
new file mode 100644
index 0000000..83e16f8
--- /dev/null
+++ b/.rspec
@@ -0,0 +1,2 @@
+--color
+--require spec_helper
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..2bf1c1c
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+2.3.1
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..bb4eb7f
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,4 @@
+source 'https://rubygems.org'
+
+gem 'rspec'
+gem 'rspec-wait'
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..5ad7873
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,29 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    diff-lcs (1.3)
+    rspec (3.5.0)
+      rspec-core (~> 3.5.0)
+      rspec-expectations (~> 3.5.0)
+      rspec-mocks (~> 3.5.0)
+    rspec-core (3.5.4)
+      rspec-support (~> 3.5.0)
+    rspec-expectations (3.5.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.5.0)
+    rspec-mocks (3.5.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.5.0)
+    rspec-support (3.5.0)
+    rspec-wait (0.0.9)
+      rspec (>= 3, < 4)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rspec
+  rspec-wait
+
+BUNDLED WITH
+   1.12.5
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
new file mode 100644
index 0000000..38e3f56
--- /dev/null
+++ b/spec/spec_helper.rb
@@ -0,0 +1,13 @@
+require 'rspec/wait'
+
+RSpec.configure do |config|
+  config.expect_with :rspec do |expectations|
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  config.mock_with :rspec do |mocks|
+    mocks.verify_partial_doubles = true
+  end
+
+  config.wait_timeout = 2
+end