tools: Update python "help" tests to cope with "more" oddities

In some cases when "more" is told to page a given file it will prepend
the output with:
::::::::::::::
/PATH/TO/THE/FILE
::::::::::::::

And when this happens the output will not match the expected length.
Further, if we use a different pager we will instead fail the coverage
tests as we will not have 100% coverage.  Update the help test to remove
the string in question.
Reviewed-by: NSimon Glass <sjg@chromium.org>
Signed-off-by: NTom Rini <trini@konsulko.com>

tools/binman/ftest.py

@@ -290,7 +290,10 @@ class TestFunctional(unittest.TestCase):
         """Test that the full help is displayed with -H"""
         result = self._RunBinman('-H')
         help_file = os.path.join(self._binman_dir, 'README')
-        self.assertEqual(len(result.stdout), os.path.getsize(help_file))
+        # Remove possible extraneous strings
+        extra = '::::::::::::::\n' + help_file + '\n::::::::::::::\n'
+        gothelp = result.stdout.replace(extra, '')
+        self.assertEqual(len(gothelp), os.path.getsize(help_file))
         self.assertEqual(0, len(result.stderr))
         self.assertEqual(0, result.return_code)
 

tools/buildman/func_test.py

@@ -231,7 +231,10 @@ class TestFunctional(unittest.TestCase):
         command.test_result = None
         result = self._RunBuildman('-H')
         help_file = os.path.join(self._buildman_dir, 'README')
-        self.assertEqual(len(result.stdout), os.path.getsize(help_file))
+        # Remove possible extraneous strings
+        extra = '::::::::::::::\n' + help_file + '\n::::::::::::::\n'
+        gothelp = result.stdout.replace(extra, '')
+        self.assertEqual(len(gothelp), os.path.getsize(help_file))
         self.assertEqual(0, len(result.stderr))
         self.assertEqual(0, result.return_code)