Add rspec and request tests

Gemfile.lock

@@ -96,11 +96,17 @@ GEM
       railties (>= 4.1.0)
       responders
       warden (~> 1.2.3)
+    diff-lcs (1.5.0)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
     drb (2.1.1)
       ruby2_keywords
     erubi (1.12.0)
+    factory_bot (6.2.1)
+      activesupport (>= 5.0.0)
+    factory_bot_rails (6.2.0)
+      factory_bot (~> 6.2.0)
+      railties (>= 5.0.0)
     ffi (1.16.3)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
@@ -188,6 +194,10 @@ GEM
       activesupport (= 7.1.1)
       bundler (>= 1.15.0)
       railties (= 7.1.1)
+    rails-controller-testing (1.0.5)
+      actionpack (>= 5.0.1.rc1)
+      actionview (>= 5.0.1.rc1)
+      activesupport (>= 5.0.1.rc1)
     rails-dom-testing (2.2.0)
       activesupport (>= 5.0.0)
       minitest
@@ -211,6 +221,23 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
+    rspec-core (3.12.2)
+      rspec-support (~> 3.12.0)
+    rspec-expectations (3.12.3)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.12.0)
+    rspec-mocks (3.12.6)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.12.0)
+    rspec-rails (6.0.3)
+      actionpack (>= 6.1)
+      activesupport (>= 6.1)
+      railties (>= 6.1)
+      rspec-core (~> 3.12)
+      rspec-expectations (~> 3.12)
+      rspec-mocks (~> 3.12)
+      rspec-support (~> 3.12)
+    rspec-support (3.12.1)
     ruby2_keywords (0.0.5)
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
@@ -258,11 +285,14 @@ DEPENDENCIES
   bootsnap
   debug
   devise
+  factory_bot_rails
   http
   importmap-rails
   jbuilder
   puma (>= 5.0)
   rails (~> 7.1.1)
+  rails-controller-testing
+  rspec-rails
   sprockets-rails
   sqlite3 (~> 1.4)
   stimulus-rails