Add test checking value of a TypedDict's __total__ attribute when the…

Add test checking value of a TypedDict's __total__ attribute when the… · python/cpython@d8ce092

Original file line number	Diff line number	Diff line change
`@@ -8479,6 +8479,22 @@ class TD2(TD1):`
`8479`	`8479`
`8480`	`8480`	`self.assertIs(TD2.__total__, True)`
`8481`	`8481`
	`8482`	`+def test_total_with_assigned_value(self):`
	`8483`	`+class TD(TypedDict):`
	`8484`	`+__total__ = "some_value"`
	`8485`	`+`
	`8486`	`+self.assertIs(TD.__total__, True)`
	`8487`	`+`
	`8488`	`+class TD2(TypedDict, total=True):`
	`8489`	`+__total__ = "some_value"`
	`8490`	`+`
	`8491`	`+self.assertIs(TD2.__total__, True)`
	`8492`	`+`
	`8493`	`+class TD3(TypedDict, total=False):`
	`8494`	`+__total__ = "some value"`
	`8495`	`+`
	`8496`	`+self.assertIs(TD3.__total__, False)`
	`8497`	`+`
`8482`	`8498`	`def test_optional_keys(self):`
`8483`	`8499`	`class Point2Dor3D(Point2D, total=False):`
`8484`	`8500`	`z: int`