Server: do not enable images tests by default because it needs a special

ffmpeg version

.gitignore

@@ -13,3 +13,4 @@ public/stylesheets/vendor
 uploads
 thumbnails
 config/production.yaml
+ffmpeg

.travis.yml

@@ -27,6 +27,7 @@ before_script:
   - mkdir -p $HOME/bin
   - cp ffmpeg-*-64bit-static/{ffmpeg,ffprobe,ffserver} $HOME/bin
   - export PATH=$HOME/bin:$PATH
+  - export NODE_TEST_IMAGE=true
 
 after_failure:
   - cat test1/logs/all-logs.log

server/tests/api/utils.js

@@ -350,6 +350,9 @@ function searchVideoWithSort (url, search, sort, end) {
 }
 
 function testImage (url, videoName, imagePath, callback) {
+  // Don't test images if the node env is not set
+  // Because we need a special ffmpeg version for this test
+  if (process.env.NODE_TEST_IMAGE) {
     request(url)
       .get(imagePath)
       .expect(200)
@@ -362,6 +365,10 @@ function testImage (url, videoName, imagePath, callback) {
           callback(null, data.equals(res.body))
         })
       })
+  } else {
+    console.log('Do not test images. Enable it by setting NODE_TEST_IMAGE env variable.')
+    callback(null, true)
+  }
 }
 
 function uploadVideo (url, accessToken, name, description, tags, fixture, specialStatus, end) {