added scripts for CLA to:

* Drop a publication and all subscription
* Check that a snapshot agent finished without errors

check snapshot state.sql

@@ -0,0 +1,50 @@
+DECLARE @jobs TABLE (
+    [name]    sysname          NOT NULL
+   ,[job_id]  UNIQUEIDENTIFIER NOT NULL
+   ,[failed]  BIT              NOT NULL
+        DEFAULT 0
+   ,[lastRun] DATETIME         NULL
+);
+
+INSERT INTO @jobs ([name], [job_id])
+SELECT
+    [s].[name]
+    ,[s].[job_id]
+    FROM [msdb].[dbo].[sysjobs] [s]
+    WHERE [s].[name] IN (
+            'D00480 - ActivePos_read Snapshot'
+        );
+
+
+SELECT
+    CONVERT(VARCHAR(20), SERVERPROPERTY('ServerName')) AS [ServerName]
+   ,[j].[name]                                         AS [job_name]
+   ,CASE [j].[enabled]
+        WHEN 1 THEN 'Enabled'
+        ELSE 'Disabled'
+    END                                                AS [job_status]
+   ,CASE [jh].[run_status]
+        WHEN 0 THEN 'Error Failed'
+        WHEN 1 THEN 'Succeeded'
+        WHEN 2 THEN 'Retry'
+        WHEN 3 THEN 'Cancelled'
+        WHEN 4 THEN 'In Progress'
+        ELSE 'Status Unknown'
+    END                                                AS [last_run_status]
+   ,[ja].[run_requested_date]                          AS [last_run_date]
+   ,CONVERT(
+        VARCHAR(10)
+       ,CONVERT(DATETIME, RTRIM(19000101))
+        + ([jh].[run_duration] * 9 + [jh].[run_duration] % 10000 * 6 + [jh].[run_duration] % 100 * 10) / 216e4
+       ,108
+    )                                                  AS [run_duration]
+   ,[ja].[next_scheduled_run_date]
+   ,CONVERT(VARCHAR(500), [jh].[message])              AS [step_description]
+  FROM([msdb].[dbo].[sysjobactivity]     [ja]
+  JOIN @jobs [j2] ON j2.[job_id] = ja.[job_id]
+  LEFT JOIN [msdb].[dbo].[sysjobhistory] [jh]
+      ON [ja].[job_history_id] = [jh].[instance_id])
+  JOIN [msdb].[dbo].[sysjobs_view] [j]
+      ON [ja].[job_id] = [j].[job_id]
+ WHERE [ja].[session_id] = (SELECT MAX([session_id])FROM [msdb].[dbo].[sysjobactivity])
+ ORDER BY [job_status] DESC,[last_run_status];