MDL-49402 behat: Fixed feature file with same scenario name

1. We should not have same scanrio name in 1 feature file
   As it doesn't explain what is being tested. So modified.
2. Removed empty line, to keep it consistnet with other features

mod/choice/tests/behat/block_editing.feature

@@ -4,13 +4,10 @@ Feature: Add choice activity
   As a teacher or admin
   I need to add remove block from the choice page
 
-# This tests that the hacky block editing is not borked by legacy forms in choice activity.
-
+  # This tests that the hacky block editing is not borked by legacy forms in choice activity.
   @javascript
-  Scenario: Add a choice activity and complete the activity as a student
-    Given the following "users" exist:
-      | username | firstname | lastname | email |
-    And the following "courses" exist:
+  Scenario: Add a choice activity as admin and check blog menu block should contain link.
+    Given the following "courses" exist:
       | fullname | shortname | category |
       | Course 1 | C1 | 0 |
     And I log in as "admin"
@@ -22,22 +19,19 @@ Feature: Add choice activity
       | option[0] | Option 1 |
       | option[1] | Option 2 |
     And I follow "Choice name 1"
-
-    When I add the "Blog menu" block
-    Then I should see "View all entries about this Choice"
-
+    And I add the "Blog menu" block
+    And I should see "View all entries about this Choice"
     When I configure the "Blog menu" block
     And I press "Save changes"
     Then I should see "View all entries about this Choice"
-
-    When I open the "Blog menu" blocks action menu
+    And I open the "Blog menu" blocks action menu
     And I click on "Delete" "link" in the "Blog menu" "block"
     And I press "Yes"
-    Then I should not see "View all entries about this Choice"
+    And I should not see "View all entries about this Choice"
     And I should see "Choice Description 1"
 
   @javascript
-  Scenario: Add a choice activity and complete the activity as a student
+  Scenario: Add a choice activity as teacher and check blog menu block contain choice link.
     Given the following "users" exist:
       | username | firstname | lastname | email |
       | teacher1 | Teacher | 1 | teacher1@asd.com |
@@ -58,22 +52,19 @@ Feature: Add choice activity
       | option[0] | Option 1 |
       | option[1] | Option 2 |
     And I follow "Choice name 1"
-
-    When I add the "Blog menu" block
-    Then I should see "View all entries about this Choice"
-
+    And I add the "Blog menu" block
+    And I should see "View all entries about this Choice"
     When I configure the "Blog menu" block
     And I press "Save changes"
     Then I should see "View all entries about this Choice"
-
-    When I open the "Blog menu" blocks action menu
+    And I open the "Blog menu" blocks action menu
     And I click on "Delete" "link" in the "Blog menu" "block"
     And I press "Yes"
-    Then I should not see "View all entries about this Choice"
+    And I should not see "View all entries about this Choice"
     And I should see "Choice Description 1"
 
   @javascript
-  Scenario: Add a choice activity and complete the activity as a student
+  Scenario: Add a choice activity as teacher (with dual role) and check blog menu block contain choice link.
     Given the following "users" exist:
       | username | firstname | lastname | email |
       | teacher1 | Teacher | 1 | teacher1@asd.com |
@@ -93,16 +84,13 @@ Feature: Add choice activity
       | option[0] | Option 1 |
       | option[1] | Option 2 |
     And I follow "Choice name 1"
-
-    When I add the "Blog menu" block
-    Then I should see "View all entries about this Choice"
-
+    And I add the "Blog menu" block
+    And I should see "View all entries about this Choice"
     When I configure the "Blog menu" block
     And I press "Save changes"
     Then I should see "View all entries about this Choice"
-
-    When I open the "Blog menu" blocks action menu
+    And I open the "Blog menu" blocks action menu
     And I click on "Delete" "link" in the "Blog menu" "block"
     And I press "Yes"
-    Then I should not see "View all entries about this Choice"
+    And I should not see "View all entries about this Choice"
     And I should see "Choice Description 1"