1 files changed, 5 insertions, 1 deletions
diff --git a/activerecord/test/support/connection.rb b/activerecord/test/support/connection.rb
index c9260398e2..1a609e13c3 100644
--- a/activerecord/test/support/connection.rb
+++ b/activerecord/test/support/connection.rb
@@ -2,6 +2,7 @@ require "active_support/logger"
 require "models/college"
 require "models/course"
 require "models/professor"
+require "models/other_dog"
 
 module ARTest
   def self.connection_name
@@ -9,7 +10,10 @@ module ARTest
   end
 
   def self.connection_config
-    config["connections"][connection_name]
+    config.fetch("connections").fetch(connection_name) do
+      puts "Connection #{connection_name.inspect} not found. Available connections: #{config['connections'].keys.join(', ')}"
+      exit 1
+    end
   end
 
   def self.connect