Stop relying on columns in sqlite quoting tests

The string encoding test wasn't using the types for anything. The
boolean casting test included logic that should be in the tests for the
types, and the string test was legitimately not testing anything useful.

activerecord/test/cases/adapters/sqlite3/quoting_test.rb

@@ -15,10 +15,9 @@ module ActiveRecord
 
         def test_type_cast_binary_encoding_without_logger
           @conn.extend(Module.new { def logger; end })
-          column = Column.new(nil, nil, Type::String.new)
           binary = SecureRandom.hex
           expected = binary.dup.encode!(Encoding::UTF_8)
-          assert_equal expected, @conn.type_cast(binary, column)
+          assert_equal expected, @conn.type_cast(binary)
         end
 
         def test_type_cast_symbol
@@ -47,31 +46,11 @@ module ActiveRecord
         end
 
         def test_type_cast_true
-          c = Column.new(nil, 1, Type::Integer.new)
           assert_equal 't', @conn.type_cast(true, nil)
-          assert_equal 1, @conn.type_cast(true, c)
         end
 
         def test_type_cast_false
-          c = Column.new(nil, 1, Type::Integer.new)
           assert_equal 'f', @conn.type_cast(false, nil)
-          assert_equal 0, @conn.type_cast(false, c)
-        end
-
-        def test_type_cast_string
-          assert_equal '10', @conn.type_cast('10', nil)
-
-          c = Column.new(nil, 1, Type::Integer.new)
-          assert_equal 10, @conn.type_cast('10', c)
-
-          c = Column.new(nil, 1, Type::Float.new)
-          assert_equal 10.1, @conn.type_cast('10.1', c)
-
-          c = Column.new(nil, 1, Type::Binary.new)
-          assert_equal '10.1', @conn.type_cast('10.1', c)
-
-          c = Column.new(nil, 1, Type::Date.new)
-          assert_equal '10.1', @conn.type_cast('10.1', c)
         end
 
         def test_type_cast_bigdecimal

activerecord/test/cases/type/integer_test.rb

@@ -41,6 +41,12 @@ module ActiveRecord
         assert_nil type.type_cast_from_user(1.0/0.0)
       end
 
+      test "casting booleans for database" do
+        type = Type::Integer.new
+        assert_equal 1, type.type_cast_for_database(true)
+        assert_equal 0, type.type_cast_for_database(false)
+      end
+
       test "changed?" do
         type = Type::Integer.new