Fixed test warning [skip ci]

Author: ankane

test/sequel_test.rb

@@ -3,6 +3,8 @@
 DB = Sequel.connect("postgres://localhost/pgvector_ruby_test")
 
 if ENV["VERBOSE"]
+  require "logger"
+
   DB.loggers << Logger.new($stdout, formatter: ->(_, _, _, msg) { "#{msg}\n" })
 end
 

test/test_helper.rb

@@ -2,4 +2,3 @@
 Bundler.require(:default)
 require "minitest/autorun"
 require "minitest/pride"
-require "logger"