Fix tests

Author: aidanharan

test/cases/schema_dumper_test_sqlserver.rb

@@ -166,7 +166,8 @@ def generate_schema_for_table(*table_names)
 
     stream = StringIO.new
     ActiveRecord::SchemaDumper.ignore_tables = all_tables - table_names
-    ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.lease_connection, stream)
+    ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection_pool, stream)
+    
     @generated_schema = stream.string
     yield @generated_schema if block_given?
     @schema_lines = Hash.new