Fix

lms/djangoapps/courseware/features/lti.feature

@@ -12,6 +12,6 @@ Feature: LTI component
   Then I view the LTI and it is rendered
 
   Scenario: LTI component in LMS is rendered incorrectly
-  Given the course has a incorrect LTI credentials
+  Given the course has incorrect LTI credentials
   And the course has a LTI component filled with correct fields
   Then I view the LTI but incorrect_signature warning is rendered
\ No newline at end of file

lms/djangoapps/courseware/features/lti.py

@@ -79,7 +79,7 @@ def set_correct_lti_passport(_step):
     i_am_registered_for_the_course(coursenum, metadata)
 
 
-@step('the course has a incorrect LTI credentials$')
+@step('the course has incorrect LTI credentials$')
 def set_incorrect_lti_passport(_step):
     coursenum = 'test_course'
     metadata = {