Update check-type-aliases.test with new cases

Add tests for type alias unpacking with lists.

Author: hyperkai

test-data/unit/check-type-aliases.test

@@ -1245,8 +1245,16 @@ Ts = TypeVarTuple('Ts')
 
 TA: TypeAlias = tuple[Unpack[Ts]]
 
-v1: TA[*list[int]]         # E: "list[int]" cannot be unpacked (must be tuple or TypeVarTuple)
-v2: TA[Unpack[list[int]]]  # E: "list[int]" cannot be unpacked (must be tuple or TypeVarTuple)
+v1: TA[*list[int]]
+v2: TA[Unpack[list[int]]]
+
+[out-python3.10]
+main:8: error: Invalid syntax
+main:9: error: Invalid syntax
+
+[out]
+main:8: error: "list[int]" cannot be unpacked (must be tuple or TypeVarTuple)
+main:9: error: "list[int]" cannot be unpacked (must be tuple or TypeVarTuple)
 [builtins fixtures/tuple.pyi]
 
 [case testAliasInstanceNameClash]