gh-107450: Fix testMemoryErrorBigSource using the bigmemtest decorator (GH-110810)

Author: lysnikolaou

Lib/test/test_exceptions.py

@@ -320,7 +320,7 @@ def baz():
 
     @support.requires_resource('cpu')
     @support.bigmemtest(support._2G, memuse=1.5)
-    def testMemoryErrorBigSource(self):
+    def testMemoryErrorBigSource(self, _size):
         with self.assertRaises(OverflowError):
             exec(f"if True:\n {' ' * 2**31}print('hello world')")