diff --git a/test/.gitignore b/test/.gitignore
new file mode 100644
index 0000000..63f1fef
--- /dev/null
+++ b/test/.gitignore
@@ -0,0 +1 @@
+*.lock
diff --git a/test/.ruby-version b/test/.ruby-version
new file mode 100644
index 0000000..b0f2dcb
--- /dev/null
+++ b/test/.ruby-version
@@ -0,0 +1 @@
+3.0.4
diff --git a/test/Gemfile b/test/Gemfile
new file mode 100644
index 0000000..f8b4b22
--- /dev/null
+++ b/test/Gemfile
@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+source "https://rubygems.org"
+
+gem "colorize"