Add teardown to reset_connection at MysqlTypeLookupTest

to address `Mysql2BooleanTest#test_column_type_without_emulated_booleans`
failure

1 files changed, 7 insertions, 0 deletions

diff --git a/activerecord/test/cases/connection_adapters/mysql_type_lookup_test.rb b/activerecord/test/cases/connection_adapters/mysql_type_lookup_test.rb
index 3657b8340d..736eb3e3a0 100644
--- a/activerecord/test/cases/connection_adapters/mysql_type_lookup_test.rb
+++ b/activerecord/test/cases/connection_adapters/mysql_type_lookup_test.rb
@@ -1,13 +1,20 @@
 require "cases/helper"
+require "support/connection_helper"
 
 if current_adapter?(:Mysql2Adapter)
   module ActiveRecord
     module ConnectionAdapters
       class MysqlTypeLookupTest < ActiveRecord::TestCase
+        include ConnectionHelper
+
         setup do
           @connection = ActiveRecord::Base.connection
         end
 
+        def teardown
+          reset_connection
+        end
+
         def test_boolean_types
           emulate_booleans(true) do
             assert_lookup_type :boolean, "tinyint(1)"