diff --git a/tests/acceptance/features/apiShareManagementBasic/createShare.feature b/tests/acceptance/features/apiShareManagementBasic/createShare.feature
index b1dd27cbf3ee..8f9235e8e2b8 100644
--- a/tests/acceptance/features/apiShareManagementBasic/createShare.feature
+++ b/tests/acceptance/features/apiShareManagementBasic/createShare.feature
@@ -845,4 +845,71 @@ Feature: sharing
     Examples:
       | ocs_api_version |
       | 1               |
-      | 2               |
\ No newline at end of file
+      | 2               |
+
+  Scenario Outline: group names are case-sensitive, sharing with groups with different upper and lower case names
+    Given using OCS API version "<ocs_api_version>"
+    And group "<group_id1>" has been created
+    And group "<group_id2>" has been created
+    And group "<group_id3>" has been created
+    And these users have been created with default attributes and without skeleton files:
+      | username |
+      | user1    |
+      | user2    |
+      | user3    |
+    And user "user1" has been added to group "<group_id1>"
+    And user "user2" has been added to group "<group_id2>"
+    And user "user3" has been added to group "<group_id3>"
+    When user "user0" shares file "textfile1.txt" with group "<group_id1>" using the sharing API
+    Then the OCS status code should be "<ocs_status_code>"
+    And the HTTP status code should be "200"
+    And the content of file "textfile1.txt" for user "user1" should be "ownCloud test text file 1" plus end-of-line
+    When user "user0" shares folder "textfile2.txt" with group "<group_id2>" using the sharing API
+    Then the OCS status code should be "<ocs_status_code>"
+    And the HTTP status code should be "200"
+    And the content of file "textfile2.txt" for user "user2" should be "ownCloud test text file 2" plus end-of-line
+    When user "user0" shares folder "textfile3.txt" with group "<group_id3>" using the sharing API
+    Then the OCS status code should be "<ocs_status_code>"
+    And the HTTP status code should be "200"
+    And the content of file "textfile3.txt" for user "user3" should be "ownCloud test text file 3" plus end-of-line
+    Examples:
+      | ocs_api_version | group_id1           | group_id2            | group_id3            | ocs_status_code |
+      | 1              | case-sensitive-group | Case-Sensitive-Group | CASE-SENSITIVE-GROUP | 100             |
+      | 1              | Case-Sensitive-Group | CASE-SENSITIVE-GROUP | case-sensitive-group | 100             |
+      | 1              | CASE-SENSITIVE-GROUP | case-sensitive-group | Case-Sensitive-Group | 100             |
+      | 2              | case-sensitive-group | Case-Sensitive-Group | CASE-SENSITIVE-GROUP | 200             |
+      | 2              | Case-Sensitive-Group | CASE-SENSITIVE-GROUP | case-sensitive-group | 200             |
+      | 2              | CASE-SENSITIVE-GROUP | case-sensitive-group | Case-Sensitive-Group | 200             |
+
+  Scenario Outline: group names are case-sensitive, sharing with non-existent groups with different upper and lower case names
+    Given using OCS API version "<ocs_api_version>"
+    And these users have been created with default attributes and without skeleton files:
+      | username |
+      | user1    |
+    And group "<group_id1>" has been created
+    And user "user1" has been added to group "<group_id1>"
+    When user "user0" shares file "textfile1.txt" with group "<group_id1>" using the sharing API
+    Then the OCS status code should be "<ocs_status_code>"
+    And the HTTP status code should be "200"
+    And the fields of the last response should include
+      | share_with  | <group_id1>    |
+      | file_target | /textfile1.txt |
+      | path        | /textfile1.txt |
+      | permissions | 19             |
+      | uid_owner   | user0          |
+    And the content of file "textfile1.txt" for user "user1" should be "ownCloud test text file 1" plus end-of-line
+    When user "user0" shares file "textfile2.txt" with group "<group_id2>" using the sharing API
+    Then the OCS status code should be "404"
+    And the HTTP status code should be "<http_status_code>"
+    When user "user0" shares file "textfile3.txt" with group "<group_id3>" using the sharing API
+    Then the OCS status code should be "404"
+    And the HTTP status code should be "<http_status_code>"
+    Examples:
+      |ocs_api_version | group_id1            | group_id2            | group_id3            | ocs_status_code | http_status_code |
+      | 1              | case-sensitive-group | Case-Sensitive-Group | CASE-SENSITIVE-GROUP | 100             | 200              |
+      | 1              | Case-Sensitive-Group | CASE-SENSITIVE-GROUP | case-sensitive-group | 100             | 200              |
+      | 1              | CASE-SENSITIVE-GROUP | case-sensitive-group | Case-Sensitive-Group | 100             | 200              |
+      | 2              | case-sensitive-group | Case-Sensitive-Group | CASE-SENSITIVE-GROUP | 200             | 404              |
+      | 2              | Case-Sensitive-Group | CASE-SENSITIVE-GROUP | case-sensitive-group | 200             | 404              |
+      | 2              | CASE-SENSITIVE-GROUP | case-sensitive-group | Case-Sensitive-Group | 200             | 404              |
+