Deprecate use of string in establish_connection as connection lookup

3 files changed, 4 insertions, 4 deletions

diff --git a/activerecord/test/cases/adapter_test.rb b/activerecord/test/cases/adapter_test.rb
index 34be68a97f..2bb2481fdb 100644
--- a/activerecord/test/cases/adapter_test.rb
+++ b/activerecord/test/cases/adapter_test.rb
@@ -191,7 +191,7 @@ module ActiveRecord
     end
 
     def setup
-      Klass.establish_connection 'arunit'
+      Klass.establish_connection :arunit
       @connection = Klass.connection
     end
 
diff --git a/activerecord/test/cases/multiple_db_test.rb b/activerecord/test/cases/multiple_db_test.rb
index 2e386a172a..3831de6ae3 100644
--- a/activerecord/test/cases/multiple_db_test.rb
+++ b/activerecord/test/cases/multiple_db_test.rb
@@ -101,7 +101,7 @@ class MultipleDbTest < ActiveRecord::TestCase
           College.first.courses.first
         end
       ensure
-        ActiveRecord::Base.establish_connection 'arunit'
+        ActiveRecord::Base.establish_connection :arunit
       end
     end
   end
diff --git a/activerecord/test/cases/transaction_isolation_test.rb b/activerecord/test/cases/transaction_isolation_test.rb
index 84c16fb109..f89c26532d 100644
--- a/activerecord/test/cases/transaction_isolation_test.rb
+++ b/activerecord/test/cases/transaction_isolation_test.rb
@@ -28,8 +28,8 @@ if ActiveRecord::Base.connection.supports_transaction_isolation?
     end
 
     setup do
-      Tag.establish_connection 'arunit'
-      Tag2.establish_connection 'arunit'
+      Tag.establish_connection :arunit
+      Tag2.establish_connection :arunit
       Tag.destroy_all
     end