Remove the last remaining 'yield 100' calls in test_single_document.py

We understand the problem now.

tests/test_single_document.py

@@ -194,17 +194,14 @@ def __run_formatting_test(
         self.assertEquals(edited_content, ''.join(expected))
 
     def __run_goto_test(self, response: list, text_document_request: str, subl_command_suffix: str) -> 'Generator':
-        yield 100
         assert self.view
         self.insert_characters(GOTO_CONTENT)
         # Put the cursor back at the start of the buffer, otherwise is_at_word fails in goto.py.
         self.view.sel().clear()
         self.view.sel().add(sublime.Region(0, 0))
         method = 'textDocument/{}'.format(text_document_request)
         self.set_response(method, response)
-        yield 100
         self.view.run_command('lsp_symbol_{}'.format(subl_command_suffix))
-        yield 100
         yield from self.await_message(method)
 
         def condition() -> bool: