Added new tests (T562) - macOS

New tests added:
1. Disable journal logging
2. Disable journal logging via journald.conf

The man pages of the respective utilities can be referred

atomics/T1562/T1562.yaml

@@ -19,4 +19,24 @@ atomic_tests:
     cleanup_command: |
       reg delete HKLM\SYSTEM\CurrentControlSet\Control\LSA /v RunAsPPL /f >nul 2>&1
     name: command_prompt
-    elevation_required: true
+    elevation_required: true
+- name: Disable journal logging
+  description: |
+    The atomic test disables the journal logging using built-in systemctl utility
+  supported_platforms:
+  - linux
+  executor:
+    command: |
+     sudo systemctl stop systemd-journald #disables journal logging
+    name: sh
+    elevation_required: true
+- name: Disable journal logging via journald.conf
+  description: |
+    The atomic test diables the journal logging by searching and replacing the "Storage" parameter to "none" within the journald.conf file, thus any new journal entries will only be temporarily available in memory and not written to disk
+  supported_platforms:
+  - linux
+  executor:
+    command: |
+     sudo sed -i 's/Storage=auto/Storage=none/' /etc/systemd/journald.conf
+    name: sh
+    elevation_required: true