diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 24d89b91..b07155af 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -213,7 +213,7 @@ check-whitespace:
     - sed -i 's/ \t//' $(git ls-files)
     - git diff --exit-code || (echo "ERROR - Tab after space in patchset, please fix" && false)
     # search for duplicated empty lines
-    - sed -i '/^$/N;/^\n$/D' $(git ls-files src/*.{h,c} tools/*.{h,c} udev/*.c)
+    - sed -i '/^$/N;/^\n$/D' $(git ls-files src/*.{h,c} tools/*.{h,c} udev/*.c test/*.c)
     - git diff --exit-code || (echo "ERROR - Duplicated empty lines, please fix" && false)
 
 #
diff --git a/.gitlab-ci/ci.template b/.gitlab-ci/ci.template
index 607d36e4..9e7b09ca 100644
--- a/.gitlab-ci/ci.template
+++ b/.gitlab-ci/ci.template
@@ -201,7 +201,7 @@ check-whitespace:
     - sed -i 's/ \t//' $(git ls-files)
     - git diff --exit-code || (echo "ERROR - Tab after space in patchset, please fix" && false)
     # search for duplicated empty lines
-    - sed -i '/^$/N;/^\n$/D' $(git ls-files src/*.{h,c} tools/*.{h,c} udev/*.c)
+    - sed -i '/^$/N;/^\n$/D' $(git ls-files src/*.{h,c} tools/*.{h,c} udev/*.c test/*.c)
     - git diff --exit-code || (echo "ERROR - Duplicated empty lines, please fix" && false)
 
 #
diff --git a/test/litest-device-generic-pressurepad.c b/test/litest-device-generic-pressurepad.c
index 298b3280..a7cd5f3a 100644
--- a/test/litest-device-generic-pressurepad.c
+++ b/test/litest-device-generic-pressurepad.c
@@ -56,7 +56,6 @@ static struct input_event move[] = {
 	{ .type = -1, .code = -1 },
 };
 
-
 static int
 get_axis_default(struct litest_device *d, unsigned int evcode, int32_t *value)
 {
diff --git a/test/litest-device-synaptics-pressurepad.c b/test/litest-device-synaptics-pressurepad.c
index bd214a27..1c2eee49 100644
--- a/test/litest-device-synaptics-pressurepad.c
+++ b/test/litest-device-synaptics-pressurepad.c
@@ -56,7 +56,6 @@ static struct input_event move[] = {
 	{ .type = -1, .code = -1 },
 };
 
-
 static int
 get_axis_default(struct litest_device *d, unsigned int evcode, int32_t *value)
 {
diff --git a/test/litest-runner.c b/test/litest-runner.c
index df928c0a..2931bb76 100644
--- a/test/litest-runner.c
+++ b/test/litest-runner.c
@@ -110,7 +110,6 @@ struct litest_runner {
 	} global;
 };
 
-
 /**
  * A global variable that the tests can use
  * to write log data to. Defaults to stdout
@@ -680,7 +679,6 @@ _litest_test_param_fetch(const struct litest_test_parameters *params, ...)
 	va_end(args);
 }
 
-
 struct litest_test_parameters *
 litest_test_parameters_new(void)
 {
@@ -1031,7 +1029,6 @@ litest_runner_run_tests(struct litest_runner *runner)
 		}
 	}
 
-
 	runner->times.end = time(NULL);
 	ltime = localtime(&runner->times.end);
 	strftime(timestamp, sizeof(timestamp), "%FT%H:%M", ltime);
diff --git a/test/litest.c b/test/litest.c
index 072b7f9b..4c4a9f5c 100644
--- a/test/litest.c
+++ b/test/litest.c
@@ -96,7 +96,6 @@ struct param_filter {
 };
 struct param_filter filter_params[8]; /* name=NULL terminated */
 
-
 static struct quirks_context *quirks_context;
 
 struct created_file {
@@ -353,7 +352,6 @@ litest_parameter_add_bool(struct litest_parameter *p, bool b)
 	list_append(&p->values, &pv->link);
 }
 
-
 static inline void
 litest_parameter_add_u32(struct litest_parameter *p, uint32_t u)
 {
@@ -374,7 +372,6 @@ litest_parameter_add_i32(struct litest_parameter *p, int32_t i)
 	list_append(&p->values, &pv->link);
 }
 
-
 static void
 litest_parameter_add_double(struct litest_parameter *p, double d)
 {
@@ -639,7 +636,6 @@ _litest_dispatch(struct libinput *li,
 	int rc = libinput_dispatch(li);
 	enum libinput_event_type type = libinput_next_event_type(li);
 
-
 	const char *evtype = type == LIBINPUT_EVENT_NONE ? "NONE" : litest_event_type_str(type);
 	_litest_checkpoint(func, line,
 			   "└──────────────────── /dispatch %3d ────────────────────┘ pending %s",
@@ -1175,7 +1171,6 @@ _litest_add_ranged(const char *name,
 	litest_add_tcase(name, funcname, func, required, excluded, range, NULL);
 }
 
-
 void
 _litest_add_parametrized(const char *name,
 			 const char *funcname,
@@ -1282,7 +1277,6 @@ _litest_add_parametrized_for_device(const char *filename,
 		litest_abort_msg("Invalid test device type");
 }
 
-
 LIBINPUT_ATTRIBUTE_PRINTF(3, 0)
 static void
 litest_log_handler(struct libinput *libinput,
@@ -1681,7 +1675,6 @@ restore_tty(int tty_mode)
 	}
 }
 
-
 static inline enum litest_runner_result
 litest_run(struct list *suites)
 {
@@ -1703,7 +1696,6 @@ litest_run(struct list *suites)
 		enum quirks_setup_mode mode;
 		litest_init_udev_rules(&created_files_list);
 
-
 		mode = use_system_rules_quirks ?
 				QUIRKS_SETUP_ONLY_DEVICE :
 				QUIRKS_SETUP_FULL;
@@ -2137,7 +2129,6 @@ litest_destroy_context(struct libinput *li)
 	struct path *p;
 	struct litest_context *ctx;
 
-
 	ctx = libinput_get_user_data(li);
 	litest_assert_ptr_notnull(ctx);
 	libinput_unref(li);
@@ -2286,7 +2277,6 @@ udev_setup_monitor(void)
 	udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "input",
 							NULL);
 
-
 	/* remove O_NONBLOCK */
 	rc = fcntl(udev_monitor_get_fd(udev_monitor), F_SETFL, 0);
 	litest_assert_errno_success(rc);
@@ -3503,7 +3493,6 @@ litest_drain_events(struct libinput *li)
 	}
 }
 
-
 void
 _litest_drain_events_of_type(struct libinput *li, ...)
 {
@@ -4277,7 +4266,6 @@ litest_assert_tablet_button_event(struct libinput *li, unsigned int button,
 	libinput_event_destroy(event);
 }
 
-
 struct libinput_event_tablet_tool *
 litest_is_proximity_event(struct libinput_event *event,
 			  enum libinput_tablet_tool_proximity_state state)
diff --git a/test/test-gestures.c b/test/test-gestures.c
index 79be3d91..c4f3f497 100644
--- a/test/test-gestures.c
+++ b/test/test-gestures.c
@@ -2344,7 +2344,6 @@ TEST_COLLECTION(gestures)
 		litest_add_parametrized(gestures_3fg_drag_lock_resume_1fg_tap, LITEST_TOUCHPAD, LITEST_SINGLE_TOUCH, params);
 	}
 
-
 	/* Timing-sensitive test, valgrind is too slow */
 	if (!RUNNING_ON_VALGRIND)
 		litest_add(gestures_swipe_3fg_unaccel, LITEST_TOUCHPAD, LITEST_SINGLE_TOUCH);
diff --git a/test/test-log.c b/test/test-log.c
index 1f0720eb..99f6f466 100644
--- a/test/test-log.c
+++ b/test/test-log.c
@@ -46,7 +46,6 @@ simple_log_handler(struct libinput *libinput,
 	litest_assert_notnull(format);
 }
 
-
 static int open_restricted(const char *path, int flags, void *data)
 {
        int fd;
diff --git a/test/test-path.c b/test/test-path.c
index d050514a..3041f829 100644
--- a/test/test-path.c
+++ b/test/test-path.c
@@ -220,7 +220,6 @@ START_TEST(path_create_pathmax_file)
 }
 END_TEST
 
-
 START_TEST(path_create_destroy)
 {
 	struct libinput *li;
diff --git a/test/test-pointer.c b/test/test-pointer.c
index a063b0e0..d74633eb 100644
--- a/test/test-pointer.c
+++ b/test/test-pointer.c
@@ -1686,7 +1686,6 @@ START_TEST(pointer_scroll_button_lock_config)
 	state = libinput_device_config_scroll_get_button_lock(dev->libinput_device);
 	litest_assert_enum_eq(state, LIBINPUT_CONFIG_SCROLL_BUTTON_LOCK_DISABLED);
 
-
 	status = libinput_device_config_scroll_set_button_lock(dev->libinput_device,
 							       LIBINPUT_CONFIG_SCROLL_BUTTON_LOCK_ENABLED);
 	litest_assert_enum_eq(status, LIBINPUT_CONFIG_STATUS_SUCCESS);
diff --git a/test/test-switch.c b/test/test-switch.c
index 328a2692..73c4cdad 100644
--- a/test/test-switch.c
+++ b/test/test-switch.c
@@ -181,7 +181,6 @@ lid_switch_is_reliable(struct litest_device *dev)
 		is_reliable = streq(prop, "reliable");
 	}
 
-
 	return is_reliable;
 }
 
diff --git a/test/test-tablet.c b/test/test-tablet.c
index e32d277f..21ba098a 100644
--- a/test/test-tablet.c
+++ b/test/test-tablet.c
@@ -4438,7 +4438,6 @@ START_TEST(tablet_pressure_offset_set)
 	litest_dispatch(li);
 	assert_pressure(li, LIBINPUT_EVENT_TABLET_TOOL_AXIS, 0.015);
 
-
 	/* Make sure we can reach the upper range too */
 	litest_axis_set_value(axes, ABS_PRESSURE, 100);
 	litest_tablet_motion(dev, 70, 70, axes);
@@ -5591,7 +5590,6 @@ START_TEST(relative_delta)
 	litest_assert(dy > 0.0);
 	libinput_event_destroy(event);
 
-
 	/* flush the motion history */
 	for (int i = 0; i < 5; i ++)
 		litest_tablet_motion(dev, 5, 20 - i, axes);
@@ -6629,7 +6627,6 @@ START_TEST(tablet_rotation_left_handed_while_in_prox)
 	libinput_device_config_left_handed_set(tablet->libinput_device,
 					       tablet_from);
 
-
 	litest_checkpoint("Moving into proximity");
 	tx = 60;
 	ty = 60;
diff --git a/test/test-totem.c b/test/test-totem.c
index 63355953..0aba225c 100644
--- a/test/test-totem.c
+++ b/test/test-totem.c
@@ -289,7 +289,6 @@ START_TEST(totem_rotation)
 	for (int i = 1; i < 30; i++) {
 		struct libinput_event_tablet_tool *t;
 
-
 		litest_axis_set_value(axes, ABS_MT_ORIENTATION, 50 + i);
 		litest_tablet_motion(dev, 50, 50, axes);
 		litest_dispatch(li);
@@ -313,7 +312,6 @@ START_TEST(totem_rotation)
 	for (int i = 1; i < 30; i++) {
 		struct libinput_event_tablet_tool *t;
 
-
 		litest_axis_set_value(axes, ABS_MT_ORIENTATION, 50 - i);
 		litest_tablet_motion(dev, 50, 50, axes);
 		litest_dispatch(li);
diff --git a/test/test-touchpad-buttons.c b/test/test-touchpad-buttons.c
index b40b26c8..14e9cd9a 100644
--- a/test/test-touchpad-buttons.c
+++ b/test/test-touchpad-buttons.c
@@ -1148,7 +1148,6 @@ START_TEST(touchpad_clickfinger_click_drag)
 
 	litest_touch_up(dev, 0);
 
-
 	litest_dispatch(li);
 	litest_assert_empty_queue(li);
 }
@@ -2233,7 +2232,6 @@ START_TEST(touchpad_non_clickpad_detection)
 	litest_assert(methods & LIBINPUT_CONFIG_CLICK_METHOD_BUTTON_AREAS);
 	litest_assert(methods & LIBINPUT_CONFIG_CLICK_METHOD_CLICKFINGER);
 
-
 	libinput_path_remove_device(device);
 	libevdev_uinput_destroy(uinput);
 	litest_destroy_context(li);
diff --git a/test/test-touchpad-tap.c b/test/test-touchpad-tap.c
index cc75eb4e..a3a3535e 100644
--- a/test/test-touchpad-tap.c
+++ b/test/test-touchpad-tap.c
@@ -2141,7 +2141,6 @@ START_TEST(touchpad_tap_n_drag_3fg_swipe)
 		break;
 	}
 
-
 	litest_touch_down(dev, 0, 30, 50);
 	litest_touch_down(dev, 1, 50, 50);
 	litest_touch_down(dev, 2, 80, 50);
diff --git a/test/test-touchpad.c b/test/test-touchpad.c
index f88ed03f..07342271 100644
--- a/test/test-touchpad.c
+++ b/test/test-touchpad.c
@@ -2272,7 +2272,6 @@ START_TEST(touchpad_palm_clickfinger_pressure_2fg)
 }
 END_TEST
 
-
 static inline bool
 touchpad_has_touch_size(struct litest_device *dev)
 {
@@ -3730,7 +3729,6 @@ START_TEST(touchpad_fingers_down_before_init)
 }
 END_TEST
 
-
 /* This just tests that we don't completely screw up in one specific case.
  * The test likely needs to be removed if it starts failing in the future.
  *
diff --git a/test/test-trackpoint.c b/test/test-trackpoint.c
index ab9c057d..75fc7ec4 100644
--- a/test/test-trackpoint.c
+++ b/test/test-trackpoint.c
@@ -328,7 +328,6 @@ disable_dwtp(struct litest_device *dev)
 	litest_assert_enum_eq(status, expected);
 }
 
-
 START_TEST(trackpoint_palmdetect)
 {
 	struct litest_device *trackpoint = litest_current_device();
diff --git a/test/test-utils.c b/test/test-utils.c
index ff2f17cf..eeed7dd1 100644
--- a/test/test-utils.c
+++ b/test/test-utils.c
@@ -1315,7 +1315,6 @@ START_TEST(kvsplit_double_test)
 			litest_assert_double_eq(t->results[i].b, result[i].value);
 		}
 
-
 		free(result);
 		t++;
 	}
@@ -1680,7 +1679,6 @@ START_TEST(absinfo_normalize_value_test)
 	litest_assert_double_eq(absinfo_normalize_value(&abs, 50), 1.0);
 	litest_assert_double_eq(absinfo_normalize_value(&abs, 51), 1.0);
 
-
 	abs.minimum = -50;
 	abs.maximum = 0;