Fix python bindings tests after change in visibility requirement for symbol declarations

mlir/test/Bindings/Python/ir_module.py

@@ -60,12 +60,12 @@ run(testCreateEmpty)
 # Note that this does not test that the print path converts unicode properly
 # because MLIR asm always normalizes it to the hex encoding.
 # CHECK-LABEL: TEST: testRoundtripUnicode
-# CHECK: func @roundtripUnicode()
+# CHECK: func private @roundtripUnicode()
 # CHECK: foo = "\F0\9F\98\8A"
 def testRoundtripUnicode():
   ctx = Context()
   module = Module.parse(r"""
-    func @roundtripUnicode() attributes { foo = "😊" }
+    func private @roundtripUnicode() attributes { foo = "😊" }
   """, ctx)
   print(str(module))
 

mlir/test/Bindings/Python/ir_operation.py

@@ -320,7 +320,7 @@ def testOperationResultList():
       %0:3 = call @f2() : () -> (i32, f64, index)
       return
     }
-    func @f2() -> (i32, f64, index)
+    func private @f2() -> (i32, f64, index)
   """, ctx)
   caller = module.body.operations[0]
   call = caller.regions[0].blocks[0].operations[0]