CDR-1580 if match tests for Directory (#32)

* feat: CDR-1580 add tests with If-Match for EHR_STATUS update

* feat: CDR-1580 add Robot tests to cover cases with If-Match on Update Directory

tests/robot/DIRECTORY_TESTS/UPDATE_DIRECTORY/H.4__Directory_If_Match_Checks.robot

@@ -0,0 +1,64 @@
+*** Settings ***
+Metadata        TOP_TEST_SUITE    DIRECTORY
+
+Resource        ../../_resources/keywords/directory_keywords.robot
+Resource        ../../_resources/keywords/ehr_keywords.robot
+Resource        ../../_resources/keywords/admin_keywords.robot
+Suite Setup     Set Library Search Order For Tests
+
+
+*** Test Cases ***
+Update Directory - If-Match With Non-Existing UUID Version Number
+    [Tags]      not-ready   CDR-1585
+    [Documentation]     Update Directory with If-Match value (non-existing version number).
+    ...     Example: If-Match=1b6d2873-fcba-4fb6-b11e-13ce977b0666::local.ehrbase.org::2
+    ...     Expect 412.
+    ...     Check as well the Location and ETag keys presence in response headers from Update call.
+    create EHR
+    create DIRECTORY (JSON)    empty_directory.json
+    validate POST response - 201 created directory
+    #set {preceding_version_uid} with replaced version number (non-existing version number)
+    ${directory_uuid_non_existing_version}     Replace String
+    ...     ${preceding_version_uid}    ::1      ::2
+    Set Suite Variable      ${preceding_version_uid}   ${directory_uuid_non_existing_version}
+    update DIRECTORY (JSON)    update/2_add_subfolders.json     isModifiable=${FALSE}
+    Should Be Equal     ${response.status_code}     ${412}
+    Log     https://vitagroup-ag.atlassian.net/browse/CDR-1585
+    Dictionary Should Contain Key   ${response.headers}     Location
+    Dictionary Should Contain Key   ${response.headers}     ETag
+    [Teardown]    (admin) delete ehr
+
+Update Directory - If-Match With Non-Existing UID Value
+    [Tags]      not-ready   CDR-1580
+    [Documentation]     Update Directory with If-Match value (non-existing uid value).
+    ...     Example: If-Match=2c7d2873-fcba-4fb6-c55r-13ce977b0547::local.ehrbase.org::1
+    ...     Expect 412.
+    create EHR
+    create DIRECTORY (JSON)    empty_directory.json
+    validate POST response - 201 created directory
+    @{temp_folder_uid_list}     Split String    ${preceding_version_uid}    ::
+    Set Test Variable    ${folder_uid_without_system_and_version}    ${temp_folder_uid_list}[0]
+    #set {preceding_version_uid} with replaced uid value (non-existing uid value)
+    ${directory_uuid_non_existing_value}     Replace String
+    ...     ${preceding_version_uid}    ${folder_uid_without_system_and_version}     ${{str(uuid.uuid4())}}
+    Set Suite Variable      ${preceding_version_uid}   ${directory_uuid_non_existing_value}
+    Log     ${preceding_version_uid}
+    update DIRECTORY (JSON)    update/2_add_subfolders.json     isModifiable=${FALSE}
+    Log     https://vitagroup-ag.atlassian.net/browse/CDR-1580
+    Should Be Equal     ${response.status_code}     ${412}
+    [Teardown]    (admin) delete ehr
+
+Update Directory - If-Match With Wrong Value
+    [Tags]      not-ready   CDR-1586
+    [Documentation]     Update Directory with If-Match value (wrong format).
+    ...     Example: If-Match=783beec5-9d29-4067-85b4-ad0884bc7c88::5
+    ...     Expect 400.
+    create EHR
+    create DIRECTORY (JSON)    empty_directory.json
+    validate POST response - 201 created directory
+    #set {preceding_version_uid} with wrongly structured value (e.g. 783beec5-9d29-4067-85b4-ad0884bc7c88::5)
+    Set Suite Variable      ${preceding_version_uid}    ${{str(uuid.uuid4())}}::5
+    update DIRECTORY (JSON)    update/2_add_subfolders.json     isModifiable=${FALSE}
+    Log     https://vitagroup-ag.atlassian.net/browse/CDR-1586
+    Should Be Equal     ${response.status_code}     ${400}
+    [Teardown]    (admin) delete ehr