diff --git a/.gitignore b/.gitignore
index ef6de4d4..e46bb0b6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,6 +24,7 @@ build/makefile-bkl/*
 *.ilk
 *.log
 [Bb]in
+[Bb]in/
 [Dd]ebug*/
 *.lib
 *.a
diff --git a/.travis.yml b/.travis.yml
index e1d943a8..c9831c4c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -66,23 +66,26 @@ install:
   - /tmp/tools/cmake --prefix="$HOME" --exclude-subdir
 
 before_script :
+  # travis dont have a fisical monitor. We need to instal an emulator: https://docs.travis-ci.com/user/gui-and-headless-browsers/
   - "export DISPLAY=:99.0"
   - "sh -e /etc/init.d/xvfb start"
   - sleep 3 # give xvfb some time to start
-  - mkdir bld
-  - cd bld
+  # we have:  qPCR4vir/nana/nana-demo and  now we are in: qPCR4vir/nana/  our executable tests will assces: ../Examples/*.bmp etc.(need to be in parallel with nana-demo/Examples)
+  - cd nana-demo
+  - mkdir bin
+  - cd bin
 
 script:
-  - cmake -G"Unix Makefiles" .. -DNANA_CMAKE_ENABLE_JPEG=ON -DNANA_CMAKE_ENABLE_PNG=OFF -DNANA_CMAKE_BUILD_DEMOS=ON -DNANA_CMAKE_ENABLE_AUDIO=OFF -DNANA_CMAKE_FIND_BOOST_FILESYSTEM=ON -DNANA_CMAKE_INCLUDE_EXPERIMENTAL_DEMOS=OFF -DNANA_CMAKE_AUTOMATIC_GUI_TESTING=ON -DNANA_CMAKE_ADD_DEF_AUTOMATIC_GUI_TESTING=ON
+  - cmake -G"Unix Makefiles" ../.. -DNANA_CMAKE_ENABLE_JPEG=ON -DNANA_CMAKE_ENABLE_PNG=OFF -DNANA_CMAKE_BUILD_DEMOS=ON -DNANA_CMAKE_ENABLE_AUDIO=OFF -DNANA_CMAKE_FIND_BOOST_FILESYSTEM=ON -DNANA_CMAKE_INCLUDE_EXPERIMENTAL_DEMOS=OFF -DNANA_CMAKE_AUTOMATIC_GUI_TESTING=ON -DNANA_CMAKE_ADD_DEF_AUTOMATIC_GUI_TESTING=ON
   - make
   - ls
-  - ./audio_player
   - ./a_group_impl
-  #- ./animate-bmp
+  - ./animate-bmp
+  - ./audio_player
   - ./background-effects
+  #- ./calculator ?
   - ./categ
-  #- ./calculator
-  - ./clicked 
+  - ./clicked
   - ./decore
   - ./dock
   - ./drag-button
@@ -91,7 +94,7 @@ script:
   #- ./example_menu
   - ./example_listbox
   #- ./example_combox
-  #- ./example.button  # ??
+  - ./example.button
   - ./HelloWord
   #- ./MontiHall
   #- ./helloworld_demo