diff --git a/src/testdir/test86.ok b/src/testdir/test86.ok
index 05d1943..27a1372 100644
--- a/src/testdir/test86.ok
+++ b/src/testdir/test86.ok
@@ -446,14 +446,14 @@
 sys.stdout.writelines(None):TypeError:("'NoneType' object is not iterable",)
 sys.stdout.writelines([1]):TypeError:('coercing to Unicode: need string or buffer, int found',)
 > VimCommand
-vim.command(1):TypeError:('must be string, not int',)
+vim.command(1):TypeError:('object must be string',)
 > VimToPython
 > VimEval
-vim.eval(1):TypeError:('must be string, not int',)
+vim.eval(1):TypeError:('object must be string',)
 > VimEvalPy
-vim.bindeval(1):TypeError:('must be string, not int',)
+vim.bindeval(1):TypeError:('object must be string',)
 > VimStrwidth
-vim.strwidth(1):TypeError:('must be string, not int',)
+vim.strwidth(1):TypeError:('object must be string',)
 > Dictionary
 >> DictionaryConstructor
 vim.Dictionary("abc"):ValueError:('expected sequence element of size 2',)
@@ -683,7 +683,7 @@
 >> DictionaryPopItem
 d.popitem(1, 2):TypeError:('popitem() takes no arguments (2 given)',)
 >> DictionaryHasKey
-d.has_key():TypeError:('function takes exactly 1 argument (0 given)',)
+d.has_key():TypeError:('has_key() takes exactly one argument (0 given)',)
 > List
 >> ListConstructor
 vim.List(1, 2):TypeError:('function takes at most 1 argument (2 given)',)
@@ -1065,7 +1065,7 @@
 vim.current.buffer.name = True:TypeError:('object must be string',)
 vim.current.buffer.xxx = True:AttributeError:('xxx',)
 >> BufferMark
-vim.current.buffer.mark(0):TypeError:('must be string, not int',)
+vim.current.buffer.mark(0):TypeError:('object must be string',)
 vim.current.buffer.mark("abc"):ValueError:('mark name must be a single character',)
 vim.current.buffer.mark("!"):error:('invalid mark name',)
 >> BufferRange
diff --git a/src/testdir/test87.ok b/src/testdir/test87.ok
index 414dc9e..7ee1a1c 100644
--- a/src/testdir/test87.ok
+++ b/src/testdir/test87.ok
@@ -439,14 +439,14 @@
 sys.stdout.writelines(FailingIterNext()):(<class 'NotImplementedError'>, NotImplementedError())
 <<< Finished
 > VimCommand
-vim.command(1):(<class 'TypeError'>, TypeError('must be str, not int',))
+vim.command(1):(<class 'TypeError'>, TypeError('object must be string',))
 > VimToPython
 > VimEval
-vim.eval(1):(<class 'TypeError'>, TypeError('must be str, not int',))
+vim.eval(1):(<class 'TypeError'>, TypeError('object must be string',))
 > VimEvalPy
-vim.bindeval(1):(<class 'TypeError'>, TypeError('must be str, not int',))
+vim.bindeval(1):(<class 'TypeError'>, TypeError('object must be string',))
 > VimStrwidth
-vim.strwidth(1):(<class 'TypeError'>, TypeError('must be str, not int',))
+vim.strwidth(1):(<class 'TypeError'>, TypeError('object must be string',))
 > Dictionary
 >> DictionaryConstructor
 vim.Dictionary("abc"):(<class 'ValueError'>, ValueError('expected sequence element of size 2',))
@@ -680,7 +680,7 @@
 >> DictionaryPopItem
 d.popitem(1, 2):(<class 'TypeError'>, TypeError('popitem() takes no arguments (2 given)',))
 >> DictionaryHasKey
-d.has_key():(<class 'TypeError'>, TypeError('function takes exactly 1 argument (0 given)',))
+d.has_key():(<class 'TypeError'>, TypeError('has_key() takes exactly one argument (0 given)',))
 > List
 >> ListConstructor
 vim.List(1, 2):(<class 'TypeError'>, TypeError('function takes at most 1 argument (2 given)',))
@@ -1074,7 +1074,7 @@
 vim.current.buffer.name = True:(<class 'TypeError'>, TypeError('object must be string',))
 vim.current.buffer.xxx = True:(<class 'AttributeError'>, AttributeError('xxx',))
 >> BufferMark
-vim.current.buffer.mark(0):(<class 'TypeError'>, TypeError('must be str, not int',))
+vim.current.buffer.mark(0):(<class 'TypeError'>, TypeError('object must be string',))
 vim.current.buffer.mark("abc"):(<class 'ValueError'>, ValueError('mark name must be a single character',))
 vim.current.buffer.mark("!"):(<class 'vim.error'>, error('invalid mark name',))
 >> BufferRange