test: prefix all test source files with "test-"

They weren't originally prefixed but the various tests were, but now that we
only have one test runner binary anyway, the prefix helps sorting the files
easily within e.g. gcov results.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

test/Makefile.am

@@ -101,22 +101,22 @@ if RUN_TESTS
 TESTS = $(run_tests) symbols-leak-test
 endif
 
-libinput_test_suite_runner_SOURCES = udev.c \
-				     path.c \
-				     pointer.c \
-				     touch.c \
-				     log.c \
-				     tablet.c \
-				     pad.c \
-				     touchpad.c \
-				     touchpad-tap.c \
-				     touchpad-buttons.c \
-				     trackpoint.c \
-				     trackball.c \
-				     misc.c \
-				     keyboard.c \
-				     device.c \
-				     gestures.c
+libinput_test_suite_runner_SOURCES = test-udev.c \
+				     test-path.c \
+				     test-pointer.c \
+				     test-touch.c \
+				     test-log.c \
+				     test-tablet.c \
+				     test-pad.c \
+				     test-touchpad.c \
+				     test-touchpad-tap.c \
+				     test-touchpad-buttons.c \
+				     test-trackpoint.c \
+				     test-trackball.c \
+				     test-misc.c \
+				     test-keyboard.c \
+				     test-device.c \
+				     test-gestures.c
 
 libinput_test_suite_runner_CFLAGS = $(AM_CFLAGS) -DLIBINPUT_LT_VERSION="\"$(LIBINPUT_LT_VERSION)\""
 libinput_test_suite_runner_LDADD = $(TEST_LIBS)