strip off spaces from git service command stdout

spiffworkflow-backend/src/spiffworkflow_backend/services/git_service.py

@@ -115,7 +115,7 @@ class GitService:
         result: subprocess.CompletedProcess[bytes] = cls.run_shell_command(
             command, return_success_state=False
         )  # type: ignore
-        return result.stdout.decode("utf-8")
+        return result.stdout.decode("utf-8").strip()
 
     @classmethod
     def run_shell_command(

spiffworkflow-backend/tests/spiffworkflow_backend/unit/test_git_service.py

@@ -0,0 +1,18 @@
+"""Process Model."""
+from flask.app import Flask
+from flask.testing import FlaskClient
+from tests.spiffworkflow_backend.helpers.base_test import BaseTest
+
+from spiffworkflow_backend.services.git_service import GitService
+
+
+class TestGitService(BaseTest):
+
+    def test_strips_output_of_stdout_from_command(
+        self,
+        app: Flask,
+        client: FlaskClient,
+        with_db_and_bpmn_file_cleanup: None,
+    ) -> None:
+        output = GitService.run_shell_command_to_get_stdout(["echo", '   This output should not end in space or newline  \n'])
+        assert output == 'This output should not end in space or newline'