diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..47b322c
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+3.4.1
diff --git a/dev.yml b/dev.yml
new file mode 100644
index 0000000..aa887ab
--- /dev/null
+++ b/dev.yml
@@ -0,0 +1,14 @@
+# This file is for Shopify employees development environment.
+# If you are an external contributor you don't have to bother with it.
+name: activerecord-databasevalidations
+
+up:
+  - packages:
+      - mysql_client
+  - ruby
+  - bundler
+  - mysql
+  - custom:
+      name: Create database
+      meet: mysql -uroot -h $MYSQL_HOST -P $MYSQL_PORT -e "CREATE DATABASE database_validations"
+      met?: mysql -uroot -h $MYSQL_HOST -P $MYSQL_PORT database_validations -e "SELECT 1" &> /dev/null
diff --git a/test/database.yml b/test/database.yml
deleted file mode 100644
index 2f90fd0..0000000
--- a/test/database.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-test:
-  adapter: mysql2
-  database: database_validations
-  #username: travis
-  host: localhost
-  username: root
-  encoding: utf8mb4
-  strict: false
diff --git a/test/test_helper.rb b/test/test_helper.rb
index f7484b3..3d4cc27 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -18,7 +18,7 @@ def assert_data_loss(record)
 
     persisted_values = record.reload.attributes.slice(*attributes)
     refute_equal provided_values, persisted_values
-  rescue RangeError
+  rescue ActiveRecord::RangeError, ActiveRecord::StatementInvalid, ActiveModel::RangeError
     pass
   end
 
@@ -33,8 +33,17 @@ def refute_data_loss(record)
   end
 end
 
-Minitest::Test = MiniTest::Unit::TestCase unless defined?(MiniTest::Test)
-
-database_yml = YAML.load_file(File.expand_path('../database.yml', __FILE__))
-ActiveRecord::Base.establish_connection(database_yml['test'])
+mysql_host = ENV.fetch("MYSQL_HOST") { "localhost" }
+mysql_port = ENV.fetch("MYSQL_PORT") { 3306 }
+connection_config = {
+  adapter: "mysql2",
+  database: "database_validations",
+  username: "root",
+  encoding: "utf8mb4",
+  strict: false,
+  host: mysql_host,
+  port: mysql_port,
+}
+
+ActiveRecord::Base.establish_connection(connection_config)
 I18n.enforce_available_locales = false