Running 'testthat.R' [61s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(moveVis)
  > 
  > Sys.setenv("R_TESTS" = "") ## needed to pass R CMD check: https://github.com/hadley/testthat/issues/144
  > 
  > test_check("moveVis")
  Der Befehl "avconv" ist entweder falsch geschrieben oder
  konnte nicht gefunden werden.
  ffmpeg version N-34549-g13b7781, Copyright (c) 2000-2011 the FFmpeg developers
    built on Nov  6 2011 22:02:08 with gcc 4.6.1
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
    libavutil    51. 24. 0 / 51. 24. 0
    libavcodec   53. 28. 0 / 53. 28. 0
    libavformat  53. 19. 0 / 53. 19. 0
    libavdevice  53.  4. 0 / 53.  4. 0
    libavfilter   2. 47. 0 /  2. 47. 0
    libswscale    2.  1. 0 /  2.  1. 0
    libpostproc  51.  2. 0 / 51.  2. 0
  Error in download.file(gurl, filename, mode = "wb", quiet = TRUE) : 
    cannot open URL 'http://maps.googleapis.com/maps/api/staticmap?center=47.7510831325931,8.92962154577853&zoom=16&size=500x500&maptype=satellite&format=gif&sensor=false&scale=1'
  Error in download.file(gurl, filename, mode = "wb", quiet = TRUE) : 
    cannot open URL 'http://maps.googleapis.com/maps/api/staticmap?center=47.7510831325931,8.92962154577853&zoom=16&size=500x500&maptype=satellite&format=gif&sensor=false&scale=1'
  Error in download.file(gurl, filename, mode = "wb", quiet = TRUE) : 
    cannot open URL 'http://maps.googleapis.com/maps/api/staticmap?center=47.7510831325931,8.92962154577853&zoom=16&size=500x500&maptype=satellite&format=gif&sensor=false&scale=1'
  Error in download.file(gurl, filename, mode = "wb", quiet = TRUE) : 
    cannot open URL 'http://maps.googleapis.com/maps/api/staticmap?center=47.7510831325931,8.92962154577853&zoom=16&size=500x500&maptype=satellite&format=gif&sensor=false&scale=1'
  -- 1. Error: animate_move GIF (@test-animate_move.R#4)  ------------------------
  Download from Google failed. Please check your internet connection.
  1: expect_null(animate_move(vars.global$m, vars.global$out_dir, vars.global$conv_dir, 
         tail_elements = 10, paths_mode = "true_data", frames_nmax = 20, log_level = 3, 
         extent_factor = 2e-04, out_format = "gif")) at testthat/test-animate_move.R:4
  2: quasi_label(enquo(object), label)
  3: eval_bare(get_expr(quo), get_env(quo))
  4: animate_move(vars.global$m, vars.global$out_dir, vars.global$conv_dir, tail_elements = 10, 
         paths_mode = "true_data", frames_nmax = 20, log_level = 3, extent_factor = 2e-04, 
         out_format = "gif")
  5: out("Download from Google failed. Please check your internet connection.", type = 3)
  6: stop(input, call. = FALSE)
  
  Error in download.file(gurl, filename, mode = "wb", quiet = TRUE) : 
    cannot open URL 'http://maps.googleapis.com/maps/api/staticmap?center=47.7510831325931,8.92962154577853&zoom=16&size=500x500&maptype=satellite&format=gif&sensor=false&scale=1'
  Error in download.file(gurl, filename, mode = "wb", quiet = TRUE) : 
    cannot open URL 'http://maps.googleapis.com/maps/api/staticmap?center=47.7510831325931,8.92962154577853&zoom=16&size=500x500&maptype=satellite&format=gif&sensor=false&scale=1'
  Error in download.file(gurl, filename, mode = "wb", quiet = TRUE) : 
    cannot open URL 'http://maps.googleapis.com/maps/api/staticmap?center=47.7510831325931,8.92962154577853&zoom=16&size=500x500&maptype=satellite&format=gif&sensor=false&scale=1'
  Error in download.file(gurl, filename, mode = "wb", quiet = TRUE) : 
    cannot open URL 'http://maps.googleapis.com/maps/api/staticmap?center=47.7510831325931,8.92962154577853&zoom=16&size=500x500&maptype=satellite&format=gif&sensor=false&scale=1'
  -- 2. Error: animate_move MOV (@test-animate_move.R#14)  -----------------------
  Download from Google failed. Please check your internet connection.
  1: expect_null(animate_move(vars.global$m, vars.global$out_dir, vars.global$conv_dir, 
         tail_elements = 10, paths_mode = "true_data", frames_nmax = 20, log_level = 3, 
         extent_factor = 2e-04, out_format = "mov")) at testthat/test-animate_move.R:14
  2: quasi_label(enquo(object), label)
  3: eval_bare(get_expr(quo), get_env(quo))
  4: animate_move(vars.global$m, vars.global$out_dir, vars.global$conv_dir, tail_elements = 10, 
         paths_mode = "true_data", frames_nmax = 20, log_level = 3, extent_factor = 2e-04, 
         out_format = "mov")
  5: out("Download from Google failed. Please check your internet connection.", type = 3)
  6: stop(input, call. = FALSE)
  
  == testthat results  ===========================================================
  OK: 16 SKIPPED: 1 FAILED: 2
  1. Error: animate_move GIF (@test-animate_move.R#4) 
  2. Error: animate_move MOV (@test-animate_move.R#14) 
  
  Error: testthat unit tests failed
  Execution halted