Lint fixes.

line-too-long and docstring-section-indent fixes. Misc spelling
and grammar fixes.

BUG=None
TEST=CQ

Change-Id: Ifa24ad7d633924619239f0d52cdbfafc9e527389
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/4411873
Reviewed-by: Sergey Frolov <sfrolov@google.com>
Commit-Queue: Alex Klein <saklein@chromium.org>
Auto-Submit: Alex Klein <saklein@chromium.org>
Commit-Queue: Sergey Frolov <sfrolov@google.com>
Tested-by: Alex Klein <saklein@chromium.org>
diff --git a/scripts/test_image_unittest.py b/scripts/test_image_unittest.py
index 389a316..04e102b 100644
--- a/scripts/test_image_unittest.py
+++ b/scripts/test_image_unittest.py
@@ -123,7 +123,7 @@
         self.assertEqual("/tmp", os.getcwd())
 
     def testBoardAndDirectory(self):
-        """Verify that "--board", "--test_results_root" are passed to the tests."""
+        """Verify "--board", "--test_results_root" are passed to the tests."""
 
         class AttributeTest(image_test_lib.ImageTestCase):
             """Stub test class to hold board and directory."""