Fix remaining API tests

lib/galaxy/schema/schema.py

@@ -1874,9 +1874,17 @@ class JobSummary(JobBaseModel):
     external_id: Optional[str] = Field(
         None,
         title="External ID",
-        description=(
-            "The job id used by the external job runner (Condor, Pulsar, etc.)" "Only administrator can see this value."
-        ),
+        description="The job id used by the external job runner (Condor, Pulsar, etc.). Only administrator can see this value.",
+    )
+    handler: Optional[str] = Field(
+        None,
+        title="Job Handler",
+        description="The job handler process assigned to handle this job. Only administrator can see this value.",
+    )
+    job_runner_name: Optional[str] = Field(
+        None,
+        title="Job Runner Name",
+        description="Name of the job runner plugin that handles this job. Only administrator can see this value.",
     )
     command_line: Optional[str] = Field(
         None,

lib/galaxy_test/api/test_jobs.py

@@ -44,11 +44,12 @@ class TestJobsApi(ApiTestCase, TestsTools):
         self.__history_with_new_dataset(history_id)
         jobs = self.__jobs_index(admin=False)
         job = jobs[0]
-        self._assert_not_has_keys(job, "external_id")
+        assert job["external_id"] is None
 
         jobs = self.__jobs_index(admin=True)
         job = jobs[0]
-        self._assert_has_keys(job, "command_line", "external_id")
+        assert job["command_line"]
+        assert job["external_id"]
 
     @pytest.mark.require_new_history
     def test_admin_job_list(self, history_id):