Travis: fix behat tests

tests/behat/features/bootstrap/FeatureContext.php

@@ -55,7 +55,6 @@ class FeatureContext extends MinkContext
      */
     public function iAmAnHR()
     {
-        $this->visit('/index.php?logout=logout');
         $this->iAmOnHomepage();
         $this->fillField('login', 'ptook');
         $this->fillField('password', 'ptook');
@@ -67,7 +66,6 @@ class FeatureContext extends MinkContext
      */
     public function iAmAStudentBoss()
     {
-        $this->visit('/index.php?logout=logout');
         $this->iAmOnHomepage();
         $this->fillField('login', 'abaggins');
         $this->fillField('password', 'abaggins');
@@ -79,7 +77,6 @@ class FeatureContext extends MinkContext
      */
     public function iAmAnInvitee()
     {
-        $this->visit('/index.php?logout=logout');
         $this->iAmOnHomepage();
         $this->fillField('login', 'bproudfoot');
         $this->fillField('password', 'bproudfoot');

tests/behat/features/sessionManagement.feature

@@ -57,8 +57,7 @@ Feature: Session management tool
     Then I should see "Update successful"
 
   Scenario: Check session description with platform setting off
-    Given I am a platform administrator
-    And I am on "/main/admin/settings.php?search_field=show_session_description&category=search_setting"
+    Given I am on "/main/admin/settings.php?search_field=show_session_description&category=search_setting"
     And I check the "show_session_description" radio button with "false" value
     And I press "Save settings"
     Then I am on "/user_portal.php?nosession=true"
@@ -66,8 +65,7 @@ Feature: Session management tool
     And I should not see "Description for Temp Session"
 
   Scenario: Check session description with platform setting on
-    Given I am a platform administrator
-    And I am on "/main/admin/settings.php?search_field=show_session_description&category=search_setting"
+    Given I am on "/main/admin/settings.php?search_field=show_session_description&category=search_setting"
     And I check the "show_session_description" radio button with "true" value
     And I press "Save settings"
     Then I should see "Update successful"

tests/behat/features/toolExercise.feature

@@ -356,7 +356,7 @@ Feature: Exercise tool
     Then I should see "Update successful"
 
   Scenario: Try exercise with categorized questions as student
-    Given I am a student
+    Given I am logged as "acostea"
     And I am on course "TEMP" homepage in session "Session Exercise"
     Then I should see "TEMP (Session Exercise)"
     And I am on "/main/exercise/exercise.php?cidReq=TEMP"