Use sqlite3 for tests

Gemfile

@@ -14,6 +14,7 @@ end
 
 group :test do
   gem 'simplecov'
+  gem 'sqlite3'
   gem 'turn', :require => false
   gem 'webmock'
 end

Gemfile.lock

@@ -97,6 +97,7 @@ GEM
       hike (~> 1.0)
       rack (~> 1.0)
       tilt (~> 1.0)
+    sqlite3 (1.3.3)
     therubyracer-heroku (0.8.1.pre3)
     thor (0.14.6)
     tilt (1.3)
@@ -125,6 +126,7 @@ DEPENDENCIES
   rails (= 3.1.0.beta1)
   sass
   simplecov
+  sqlite3
   therubyracer-heroku (= 0.8.1.pre3)
   turn
   webmock

config/database.yml

@@ -4,8 +4,11 @@ development:
   username: postgres
   password:
 
+# Warning: The database defined as "test" will be erased and
+# re-generated from your development database when you run "rake".
+# Do not set this db to the same as development or production.
 test:
-  adapter: postgresql
-  database: adopt_a_hydrant_test
-  username: postgres
-  password:
+  adapter: sqlite3
+  database: db/test.sqlite3
+  pool: 5
+  timeout: 5000