diff --git a/Gemfile.lock b/Gemfile.lock
index b3eca0f..f4302e0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -225,6 +225,7 @@ GEM
 
 PLATFORMS
   x86_64-darwin-20
+  x86_64-darwin-21
 
 DEPENDENCIES
   bootsnap (>= 1.4.4)
diff --git a/node_modules/.yarn-integrity b/node_modules/.yarn-integrity
new file mode 100644
index 0000000..e274d7f
--- /dev/null
+++ b/node_modules/.yarn-integrity
@@ -0,0 +1,10 @@
+{
+  "systemParams": "darwin-x64-102",
+  "modulesFolders": [],
+  "flags": [],
+  "linkedModules": [],
+  "topLevelPatterns": [],
+  "lockfileEntries": {},
+  "files": [],
+  "artifacts": {}
+}
\ No newline at end of file
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
new file mode 100644
index 0000000..c8f1bd6
--- /dev/null
+++ b/spec/models/user_spec.rb
@@ -0,0 +1,20 @@
+require 'rails_helper'
+
+RSpec.describe User, type: :model do
+  # pending "add some examples to (or delete) #{__FILE__}"
+
+  subject { User.new(email: "jsmith@sample.com", password: "password") }
+
+  it "is valid with valid attributes" do
+    expect(subject).to be_valid
+  end
+  it "is not valid without an email" do
+    subject.email = nil
+    expect(subject).to_not be_valid
+  end
+  it "is not valid if email is not unique" do
+    User.create(email: "jsmith@sample.com", password: "123456" )
+    expect(subject).to_not be_valid
+  end
+
+end
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..fb57ccd
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,4 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+