diff --git a/test/plugins/autoclothing.lua b/test/plugins/autoclothing.lua
new file mode 100644
index 0000000000..8d02af8789
--- /dev/null
+++ b/test/plugins/autoclothing.lua
@@ -0,0 +1,20 @@
+config.mode = 'fortress'
+config.target = 'autoclothing'
+
+function test.status()
+    local output = dfhack.run_command_silent('autoclothing')
+    expect.str_find('Automatic clothing management is currently', output)
+    expect.str_find('automatic clothing orders', output)
+end
+
+function test.wrong_arg_count_shows_usage()
+    local output, status = dfhack.run_command_silent('autoclothing', 'bogus')
+    expect.true_(output:find('Wrong number', 1, true) ~= nil
+                 or status ~= 0)
+end
+
+function test.invalid_requirement_rejected()
+    local output, status = dfhack.run_command_silent('autoclothing',
+                                                   'bogus', 'bogus')
+    expect.ne(0, status)
+end
diff --git a/test/plugins/autofarm.lua b/test/plugins/autofarm.lua
new file mode 100644
index 0000000000..0573d7379d
--- /dev/null
+++ b/test/plugins/autofarm.lua
@@ -0,0 +1,40 @@
+config.mode = 'fortress'
+config.target = 'autofarm'
+
+-- autofarm enabled state persists; leave it disabled
+config.wrapper = function(test_fn)
+    return dfhack.with_finalize(function()
+        dfhack.run_command_silent('autofarm', 'disable')
+    end, test_fn)
+end
+
+function test.status()
+    local output = dfhack.run_command_silent('autofarm', 'status')
+    expect.ne('', output)
+end
+
+function test.enable_disable()
+    dfhack.run_command_silent('autofarm', 'enable')
+    local output = dfhack.run_command_silent('autofarm', 'status')
+    expect.str_find('Active', output)
+    dfhack.run_command_silent('autofarm', 'disable')
+    output = dfhack.run_command_silent('autofarm', 'status')
+    expect.str_find('Stopped', output)
+end
+
+function test.runonce()
+    local output, status = dfhack.run_command_silent('autofarm', 'runonce')
+    expect.eq(0, status)
+end
+
+function test.unknown_arg_shows_usage()
+    local output, status = dfhack.run_command_silent('autofarm', 'bogus')
+    expect.true_(output:find('autofarm', 1, true) ~= nil or status ~= 0)
+end
+
+function test.threshold_rejects_bad_plant()
+    local output, status = dfhack.run_command_silent('autofarm',
+                                                   'threshold', '-1', '5')
+    expect.true_(output:find('Cannot find plant', 1, true) ~= nil
+                 or status ~= 0)
+end
diff --git a/test/plugins/autogems.lua b/test/plugins/autogems.lua
new file mode 100644
index 0000000000..3dcb905960
--- /dev/null
+++ b/test/plugins/autogems.lua
@@ -0,0 +1,21 @@
+config.mode = 'fortress'
+config.target = 'autogems'
+
+-- autogems hooks should end removed
+config.wrapper = function(test_fn)
+    return dfhack.with_finalize(function()
+        dfhack.run_command_silent('disable', 'autogems')
+    end, test_fn)
+end
+
+function test.reload_config()
+    local output, status = dfhack.run_command_silent('autogems-reload')
+    expect.ne('', output)
+end
+
+function test.enable_disable()
+    dfhack.run_command_silent('enable', 'autogems')
+    local output = dfhack.run_command_silent('autogems-reload')
+    dfhack.run_command_silent('disable', 'autogems')
+    expect.ne('', output)
+end
diff --git a/test/plugins/overlay.lua b/test/plugins/overlay.lua
new file mode 100644
index 0000000000..0f7e5d1a48
--- /dev/null
+++ b/test/plugins/overlay.lua
@@ -0,0 +1,47 @@
+config.mode = 'fortress'
+config.target = 'overlay'
+
+local overlay = require('plugins.overlay')
+
+-- overlay enable state persists via save_config; restore originals
+local saved_enabled
+
+config.wrapper = function(test_fn)
+    saved_enabled = {}
+    return dfhack.with_finalize(function()
+        for name, enabled in pairs(saved_enabled) do
+            dfhack.run_command_silent('overlay',
+                                      enabled and 'enable' or 'disable',
+                                      name)
+        end
+    end, test_fn)
+end
+
+local function save_widget_state(name)
+    local cfg = overlay.get_state().config[name]
+    saved_enabled[name] = cfg and cfg.enabled or false
+end
+
+-- overlay_command suppresses prints under run_command_silent (quiet
+-- flag), so verify state changes directly instead of output
+function test.list_succeeds()
+    local output, status = dfhack.run_command_silent('overlay', 'list')
+    expect.eq(0, status)
+end
+
+function test.enable_disable_widget()
+    overlay.rescan()
+    local db = overlay.get_state().db
+    local name = next(db)
+    expect.ne(nil, name)
+    save_widget_state(name)
+    dfhack.run_command_silent('overlay', 'disable', name)
+    expect.false_(overlay.get_state().config[name].enabled)
+    dfhack.run_command_silent('overlay', 'enable', name)
+    expect.true_(overlay.get_state().config[name].enabled)
+end
+
+function test.unknown_command_shows_usage()
+    local output, status = dfhack.run_command_silent('overlay', 'bogus')
+    expect.true_(output:find('overlay', 1, true) ~= nil or status ~= 0)
+end