fix: lease_connection -> connection

Author: BuonOmo

test/cases/primary_keys_test.rb

@@ -103,7 +103,7 @@ class Rocket < ActiveRecord::Base
     end
 
     def setup
-      connection = ActiveRecord::Base.lease_connection
+      connection = ActiveRecord::Base.connection
       connection.execute <<-SQL
         CREATE TABLE rockets(
           id SERIAL PRIMARY KEY USING HASH WITH (bucket_count=4)

test/cases/schema_dumper_test.rb

@@ -10,11 +10,6 @@ class SchemaDumperTest < ActiveRecord::TestCase
     include SchemaDumpingHelper
     self.use_transactional_tests = false
 
-    setup do
-      @schema_migration = ActiveRecord::Base.connection_pool.schema_migration
-      @schema_migration.create_table
-    end
-
     # See https://github.com/cockroachdb/activerecord-cockroachdb-adapter/issues/347
     def test_dump_index_rather_than_unique_constraints
       ActiveRecord::Base.with_connection do |conn|
@@ -207,7 +202,7 @@ def down
       $stdout = original
     end
 
-    if ActiveRecord::Base.lease_connection.supports_check_constraints?
+    if ActiveRecord::Base.connection.supports_check_constraints?
       def test_schema_dumps_check_constraints
         constraint_definition = dump_table_schema("products").split(/\n/).grep(/t.check_constraint.*products_price_check/).first.strip
         if current_adapter?(:Mysql2Adapter)