[TestChangeValueAPI] Remove expectedFailureGcc decorator.

[vharron]

Is this still open?

[sivachandra]

Pavel submitted a similar change before I could.

[sivachandra]

After rebasing, this change is now merely a removal of expectedFailureGcc.

[vharron]

Please land it if it's still valid.

test/python_api/value/change_values/TestChangeValueAPI.py

def setUp(self):
         TestBase.setUp(self)
         # We'll use the test method name as the exe_name.
         self.exe_name = self.testMethodName
         # Find the line number to of function 'c'.
         self.line = line_number('main.c', '// Stop here and set values')
         self.check_line = line_number('main.c', '// Stop here and check values')
         self.end_line = line_number ('main.c', '// Set a breakpoint here at the end')
 
-    @expectedFailureGcc # llvm.org/pr15039: If GCC is the test compiler, stdout is not available via lldb.SBProcess.GetSTDOUT()
     @expectedFailureFreeBSD("llvm.org/pr15039 test fails intermittently on FreeBSD")
     def change_value_api(self, exe_name):
         """Exercise some SBValue APIs."""
         exe = os.path.join(os.getcwd(), exe_name)
 
         # Create a target by the debugger.
         target = self.dbg.CreateTarget(exe)
         self.assertTrue(target, VALID_TARGET)