Fix more tests.

Author: ZeroIntensity

Lib/test/test_coroutines.py

@@ -90,10 +90,6 @@ def test_badsyntax_1(self):
 
             """await something()""",
 
-            """async def foo():
-                yield from []
-            """,
-
             """async def foo():
                 await await fut
             """,

Lib/test/test_dis.py

@@ -1035,7 +1035,8 @@ def test_widths(self):
         long_opcodes = set(['JUMP_BACKWARD_NO_INTERRUPT',
                             'LOAD_FAST_BORROW_LOAD_FAST_BORROW',
                             'INSTRUMENTED_CALL_FUNCTION_EX',
-                            'ANNOTATIONS_PLACEHOLDER'])
+                            'ANNOTATIONS_PLACEHOLDER',
+                            'GET_ASYNC_YIELD_FROM_ITER'])
         for op, opname in enumerate(dis.opname):
             if opname in long_opcodes or opname.startswith("INSTRUMENTED"):
                 continue