diff --git a/tests/_multi_screen.lua b/tests/_multi_screen.lua
index 82aa7fe8..bc42b175 100644
--- a/tests/_multi_screen.lua
+++ b/tests/_multi_screen.lua
@@ -520,3 +520,5 @@ end
 return setmetatable(module, {
                     __call = function(_,...) return add_steps(...) end
                 })
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-awesomerc.lua b/tests/test-awesomerc.lua
index 9e88f955..fe2b294e 100644
--- a/tests/test-awesomerc.lua
+++ b/tests/test-awesomerc.lua
@@ -226,3 +226,5 @@ local steps = {
 }
 
 require("_runner").run_steps(steps)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-awful-client.lua b/tests/test-awful-client.lua
index 86ba0433..5bacf765 100644
--- a/tests/test-awful-client.lua
+++ b/tests/test-awful-client.lua
@@ -309,3 +309,5 @@ end)
 require("_multi_screen")(steps, multi_screen_steps)
 
 require("_runner").run_steps(steps)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-awful-layout.lua b/tests/test-awful-layout.lua
index 56713f11..1d2509d4 100644
--- a/tests/test-awful-layout.lua
+++ b/tests/test-awful-layout.lua
@@ -120,3 +120,5 @@ for _ in ipairs(awful.layout.layouts) do
 end
 
 require("_runner").run_steps(steps)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-awful-rules.lua b/tests/test-awful-rules.lua
index dd136d16..6391dc6e 100644
--- a/tests/test-awful-rules.lua
+++ b/tests/test-awful-rules.lua
@@ -296,3 +296,5 @@ local function spawn_clients()
 end
 
 require("_runner").run_steps{spawn_clients, unpack(tests)}
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-awful-tag.lua b/tests/test-awful-tag.lua
index e6601ab4..727359d0 100644
--- a/tests/test-awful-tag.lua
+++ b/tests/test-awful-tag.lua
@@ -242,3 +242,5 @@ end)
 require("_multi_screen")(steps, multi_screen_steps)
 
 require("_runner").run_steps(steps)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-miss-handlers.lua b/tests/test-miss-handlers.lua
index 8a894818..c6b2baff 100644
--- a/tests/test-miss-handlers.lua
+++ b/tests/test-miss-handlers.lua
@@ -69,3 +69,5 @@ assert(w2.main_background.main_textbox)
 assert(w2.main_background == w2:get_children_by_id("main_background")[1])
 
 require("_runner").run_steps({ function() return true end })
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-resize.lua b/tests/test-resize.lua
index 7753570a..298323ef 100644
--- a/tests/test-resize.lua
+++ b/tests/test-resize.lua
@@ -440,3 +440,5 @@ table.insert(steps, function()
 end)
 
 require("_runner").run_steps(steps)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/tests/test-struts.lua b/tests/test-struts.lua
index af0f5d4e..889a1f81 100644
--- a/tests/test-struts.lua
+++ b/tests/test-struts.lua
@@ -317,5 +317,6 @@ check_maximize()
 return true
 end)
 
-
 require("_runner").run_steps(steps)
+
+-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80