Travis CI: Try making the tests work

.travis.yml

@@ -9,12 +9,14 @@ compiler:
  - gcc
 before_install:
  - sudo apt-get update -qq
+ - export DISPLAY=:99.0
+ - export NO_AT_BRIDGE=1
+ - sh -e /etc/init.d/xvfb start
 install:
  - sudo apt-get install -y libgtk-3-dev liblua5.2-dev libjson-glib-dev
 before_script:
  - mkdir build
  - cd build
-env: NO_AT_BRIDGE=1
 script:
  - cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DBUILD_TESTING=ON
  - make

tests/point-array.c

@@ -118,7 +118,7 @@ point_array_test_remove (PointArray *fixture, gconstpointer user_data)
 int
 main (int argc, char *argv[])
 {
-	gtk_test_init (&argc, &argv, NULL);
+	g_test_init (&argc, &argv, NULL);
 
 	/* Creation. */
 	g_test_add_func ("/point-array/new", point_array_test_new);