```ruby
require_relative 'test_helper'
require 'table'

class TableTest < TC
  include Table
  def test_context
    t1 = Main.new(:template=>"Hi <%= m %> and <%= n %>", :context=>{"m"=>"a", "n"=>"b"})
    assert_equal(t1.m, "a")
    assert_equal(t1.n, "b")
    assert(t1.inspect != "c")
    t2 = Main.new(:template=>"Hi <%= m %> and <%= n %>", :context=>{"m"=>"a", "n"=>"b", "inspect"=>"c"})
    assert_equal(t2.m, "a")
    assert_equal(t2.n, "b")
    assert_equal(t2.inspect, "c")
  end
  def test_context_is_only_on_instance
    t1 = Main.new(:template=>"<%= m %>", :context=>{"m"=>"a"})
    t2 = Main.new(:template=>"<%= n %>", :context=>{"n"=>"a"})
    assert(t1.respond_to?(:m))
    assert(!t1.respond_to?(:n))
    assert(!t2.respond_to?(:m))
    assert(t2.respond_to?(:n))
  end
  def test_render
    expected = "Hi a and b"
    actual = Main.new(:template=>"Hi <%= m %> and <%= n %>", :context=>{"m"=>"a", "n"=>"b"}).render
    assert_equal(actual, expected)
    expected = "Hi a"
    actual = Main.new(:template=>"Hi <%= inspect %>", :context=>{"inspect"=>"a"}).render
    assert_equal(actual, expected)
  end
end
```

Add testing code for lib/table.rb
user
```ruby
require_relative 'test_helper'
require 'table'
require 'template'

class TableTest < TC
  include Table
  def test_context
    t1 = Main.new(:context=>{"m"=>"a", "n"=>"b"})
    assert_equal(t1.m, "a")
    assert_equal(t1.n, "b")
    assert(t1.inspect != "c")
    t2 = Main.new(:context=>{"m"=>"a", "n"=>"b", "inspect"=>"c"})
    assert_equal(t2.m, "a")
    assert_equal(t2.n, "b")
    assert_equal(t2.inspect, "c")
  end
  def test_context_is_only_on_instance
    t1 = Main.new(:context=>{"m"=>"a"})
    t2 = Main.new(:context=>{"n"=>"a"})
    assert(t1.respond_to?(:m))
    assert(!t1.respond_to?(:n))
    assert(!t2.respond_to?(:m))
    assert(t2.respond_to?(:n))
  end
  def test_render
    b = Main.new(:context=>{"m"=>"a", "n"=>"b"}).get_binding
    expected = "Hi a and b"
    actual = Template::RenderWithErb.("Hi <%= m %> and <%= n %>", b)
    assert_equal(actual, expected)
    b = Main.new(:context=>{"inspect"=>"a"}).get_binding
    expected = "Hi a"
    actual = Template::RenderWithErb.("Hi <%= inspect %>", b)
    assert_equal(actual, expected)
  end
end
```
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