test_bigmem fix expectedFailures not to always fall

Author: youknowone

Lib/test/test_bigmem.py

@@ -790,11 +790,13 @@ def test_swapcase(self, size):
 
     # TODO: RUSTPYTHON
     @unittest.expectedFailure
+    @bigmemtest(size=_2G, memuse=2)
     def test_isspace(self, size):
         super().test_isspace(size)
 
     # TODO: RUSTPYTHON
     @unittest.expectedFailure
+    @bigmemtest(size=_2G, memuse=2)
     def test_istitle(self, size):
         super().test_istitle(size)
 
@@ -825,11 +827,13 @@ def test_swapcase(self, size):
 
     # TODO: RUSTPYTHON
     @unittest.expectedFailure
+    @bigmemtest(size=_2G, memuse=2)
     def test_isspace(self, size):
         super().test_isspace(size)
 
     # TODO: RUSTPYTHON
     @unittest.expectedFailure
+    @bigmemtest(size=_2G, memuse=2)
     def test_istitle(self, size):
         super().test_istitle(size)