Replace ec2-user with gcp-user (demisto-sdk)

.changelog/3828.yml

@@ -0,0 +1,4 @@
+changes:
+- description: Update file paths in test_content from ec2-user to gcp-user.
+  type: fix
+pr_number: 3828

demisto_sdk/commands/test_content/Docker.py

@@ -52,7 +52,7 @@ def _build_stats_cmd(cls, server_ip, docker_images):
         """Builds docker stats and grep command string.
 
         Example of returned value:
-        ssh -o StrictHostKeyChecking=no ec2-user@server_ip
+        ssh -o StrictHostKeyChecking=no gcp-user@server_ip
         'sudo docker stats --no-stream --no-trunc --format "{{json .}}" | grep -Ei "demistopython33.7.2.214--"'
         Grep is based on docker images names regex.
 

demisto_sdk/commands/test_content/mock_server.py

@@ -251,6 +251,9 @@ def push_mock_files(self):
                 f"Failed pushing mock files with error: {exc}", real_time=True
             )
         finally:
+            self.logging_module.debug(
+                "Successfully pushed new/updated mock files to mock git repo.", real_time=True
+            )
             self.content_data_lock.release()
 
     def configure_proxy_in_demisto(
@@ -403,7 +406,7 @@ def normalize_mock_file(self, playbook_or_integration_id: str, path: str = None)
             path, get_log_file_path(playbook_or_integration_id, record=True)
         )
         command = (
-            "/home/ec2-user/.local/bin/mitmdump -ns ~/timestamp_replacer.py "
+            f"/home/{SSH_USER}/.local/bin/mitmdump -ns ~/timestamp_replacer.py "
             f"--set script_mode=clean --set keys_filepath={problem_keys_filepath}"
             f" -r {mock_file_path} -w {cleaned_mock_filepath} | sudo tee -a {log_file}"
         )
@@ -501,7 +504,7 @@ def prepare_proxy_start(
         Writes proxy server run configuration options to the remote host, the details of which include:
         - Creating new tmp directory on remote machine if in record mode and moves the problematic keys file in to it
         - Creating the mitmdump_rc file that includes the script mode, keys file path, mock file path and log file path
-          for the mitmdump service and puts it in '/home/ec2-user/mitmdump_rc' in the remote machine.
+          for the mitmdump service and puts it in '/home/gcp-user/mitmdump_rc' in the remote machine.
         - starts the systemd mitmdump service
 
         Args:
@@ -555,7 +558,7 @@ def _write_mitmdump_rc_file_to_host(self, file_content: str) -> bool:
         """
         Does all needed preparation for starting the proxy service which include:
         - Creating the mitmdump_rc file that includes the script mode, keys file path, mock file path and log file path
-          for the mitmdump service and puts it in '/home/ec2-user/mitmdump_rc' in the remote machine.
+          for the mitmdump service and puts it in '/home/gcp-user/mitmdump_rc' in the remote machine.
 
         Args:
             file_content: The content of the mitmdump_rc file that includes the script mode, keys file path,

demisto_sdk/commands/test_content/tests/test_tools.py

@@ -1,10 +1,11 @@
 from subprocess import CalledProcessError
 
 from demisto_sdk.commands.test_content.tools import is_redhat_instance
+from demisto_sdk.commands.test_content.constants import SSH_USER
 
 
 def raise_exception():
-    raise CalledProcessError(1, "ls -l /home/ec2-user/rhel_ami".split())
+    raise CalledProcessError(1, f"ls -l /home/{SSH_USER}/rhel_ami".split())
 
 
 class CheckOutputMock:

demisto_sdk/commands/test_content/tools.py

@@ -71,14 +71,14 @@ def update_server_configuration(
 
 def is_redhat_instance(instance_ip: str) -> bool:
     """
-    As part of the AMI creation - in case the AMI is RHEL a file named '/home/ec2-user/rhel_ami' is created as
+    As part of the AMI creation - in case the AMI is RHEL a file named '/home/gcp-user/rhel_ami' is created as
     an indication.
     If not
     Args:
         instance_ip: The instance IP to check.
 
     Returns:
-        True if the file '/home/ec2-user/rhel_ami' exists on the instance, else False
+        True if the file '/home/gcp-user/rhel_ami' exists on the instance, else False
     """
     try:
         check_output(