TestFileHandle.py: fix for Python 3.6

Summary:
Python 3.6 stringifies exceptions as `ExceptionClass("foo",)` instead
of `ExceptionClass("foo")`.   This patch makes the test assertions a
little more flexible so the test passes anyway.

Reviewers: JDevlieghere, jasonmolenda, labath

Reviewed By: labath

Subscribers: lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D68745

llvm-svn: 374417

lldb/packages/Python/lldbsuite/test/python_api/file_handle/TestFileHandle.py

@@ -676,11 +676,11 @@ class FileHandleTestCase(lldbtest.TestBase):
             error, n = lldb.SBFile(BadIO()).Write(b"FOO")
             self.assertEqual(n, 0)
             self.assertTrue(error.Fail())
-            self.assertEqual(error.GetCString(), "OhNoe('OH NOE')")
+            self.assertIn('OH NOE', error.GetCString())
             error, n = lldb.SBFile(BadIO()).Read(bytearray(100))
             self.assertEqual(n, 0)
             self.assertTrue(error.Fail())
-            self.assertEqual(error.GetCString(), "OhNoe('OH NOE')")
+            self.assertIn('OH NOE', error.GetCString())
 
 
     @add_test_categories(['pyapi'])