tests: Cleanup superfluous headers

Mostly remove headers that aren't actually needed for anything.
Add stdint.h to permit dropping xf86drm.h, which is otherwise unneeded.

Signed-off-by: Bryce Harrington <bryce@osg.samsung.com>
Acked-by: Marek Chalupa <mchqwerty@gmail.com>
Tested-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>

tests/bad-buffer-test.c

@@ -24,9 +24,6 @@
 #include "config.h"
 
 #include <unistd.h>
-#include <sys/types.h>
-#include <stdio.h>
-#include <signal.h>
 
 #include "../shared/os-compatibility.h"
 #include "weston-test-client-helper.h"

tests/buffer-count-test.c

@@ -23,16 +23,13 @@
 #include "config.h"
 
 #include <string.h>
-
-#include "weston-test-client-helper.h"
 #include <stdio.h>
-#include <poll.h>
-#include <time.h>
-
 #include <EGL/egl.h>
 #include <wayland-egl.h>
 #include <GLES2/gl2.h>
 
+#include "weston-test-client-helper.h"
+
 #define fail(msg) { fprintf(stderr, "%s failed\n", msg); return -1; }
 
 struct test_data {

tests/button-test.c

@@ -23,6 +23,7 @@
 #include "config.h"
 
 #include <linux/input.h>
+
 #include "weston-test-client-helper.h"
 
 TEST(simple_button_test)

tests/presentation-test.c

@@ -23,6 +23,7 @@
 #include "config.h"
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <assert.h>
 #include <time.h>

tests/setbacklight.c

@@ -32,9 +32,9 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include <unistd.h>
 #include <fcntl.h>
-#include <xf86drm.h>
 #include <xf86drmMode.h>
 
 #include "libbacklight.h"

tests/subsurface-test.c

@@ -22,10 +22,10 @@
 
 #include "config.h"
 
+#include <stdio.h>
 #include <string.h>
 
 #include "weston-test-client-helper.h"
-#include <stdio.h>
 
 #define NUM_SUBSURFACES 3
 

tests/surface-test.c

@@ -22,7 +22,6 @@
 
 #include "config.h"
 
-#include <stdlib.h>
 #include <stdio.h>
 #include <assert.h>
 

tests/text-test.c

@@ -24,7 +24,7 @@
 
 #include <string.h>
 #include <stdio.h>
-#include <linux/input.h>
+
 #include "weston-test-client-helper.h"
 #include "text-client-protocol.h"
 

tests/vertex-clip-test.c

@@ -23,10 +23,7 @@
 #include "config.h"
 
 #include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
-#include <math.h>
 
 #include "weston-test-runner.h"
 

tests/weston-test-runner.c

@@ -25,7 +25,6 @@
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <sys/types.h>
 #include <sys/wait.h>
 #include <string.h>
 #include <assert.h>

tests/weston-test.c

@@ -23,10 +23,10 @@
 #include "config.h"
 
 #include <stdlib.h>
-#include <string.h>
 #include <assert.h>
 #include <signal.h>
 #include <unistd.h>
+
 #include "../src/compositor.h"
 #include "wayland-test-server-protocol.h"
 

tests/xwayland-test.c

@@ -28,7 +28,6 @@
 #include "config.h"
 
 #include <assert.h>
-#include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <fcntl.h>