Add AVIF file test

[VictorLamoine]

Is this test enough? I'm not proficient at JavaScript at all!

$ npm test

> [email protected] pretest
> standard && depcheck

No depcheck issue

> [email protected] test
> mocha


  ✔ ffprobe reads the duration of a video: 77ms
  ✔ ffprobe does not take the frame count into account: 69ms
  ✔ image AVIF can process a single-image AVIF file: 217ms
  ✔ image HEIC can process a single-image HEIC file: 590ms
  ✔ image HEIC can process a burst-image HEIC file: 470ms
  ✔ image HEIC can process a live (photo + video) HEIC file: 348ms
  ✔ image HEIC can process a HEIC with a P3 color profile: 1524ms
  ✔ image crops a JPEG file: 188ms
  ✔ image resizes a JPEG file proportionally: 207ms
  ✔ image can set a custom output quality: 189ms
  ✔ image create a cropped frame from an animated GIF: 204ms
  ✔ image creates a resized frame from an animated GIF: 203ms
  ✔ image creates a resized animated GIF: 296ms
  ✔ image extract a frame from a transparent animated GIF: 201ms
  ✔ image resizes a transparent animated GIF: 218ms
  ✔ image converts a TIFF to JPEG: 191ms
  ✔ image can add a watermark in the default location: 192ms
  ✔ image can add a watermark in a given location: 192ms
  ✔ image can add a tiled watermark: 205ms
  ✔ image includes the watermark when resizing: 191ms
  ✔ image ignores the watermark when cropping: 204ms
  ✔ image can add custom post-processing arguments: 194ms
  ✔ image removes all metadata by default: 101ms
  ✔ image can optionally keep metadata: 106ms
  ✔ image reads rotation data (landscape 1) and generates a straight-up image: 191ms
  ✔ image reads rotation data (landscape 2) and generates a straight-up image: 205ms
  ✔ image reads rotation data (landscape 3) and generates a straight-up image: 208ms
  ✔ image reads rotation data (landscape 4) and generates a straight-up image: 191ms
  ✔ image reads rotation data (landscape 5) and generates a straight-up image: 199ms
  ✔ image reads rotation data (landscape 6) and generates a straight-up image: 210ms
  ✔ image reads rotation data (landscape 7) and generates a straight-up image: 208ms
  ✔ image reads rotation data (landscape 8) and generates a straight-up image: 202ms
  ✔ image reads rotation data (portrait 1) and generates a straight-up image: 190ms
  ✔ image reads rotation data (portrait 2) and generates a straight-up image: 196ms
  ✔ image reads rotation data (portrait 3) and generates a straight-up image: 210ms
  ✔ image reads rotation data (portrait 4) and generates a straight-up image: 205ms
  ✔ image reads rotation data (portrait 5) and generates a straight-up image: 208ms
  ✔ image reads rotation data (portrait 6) and generates a straight-up image: 194ms
  ✔ image reads rotation data (portrait 7) and generates a straight-up image: 217ms
  ✔ image reads rotation data (portrait 8) and generates a straight-up image: 207ms
  ✔ still extracts a frame from an MP4 video: 336ms
  ✔ still extracts a frame from a very short video: 290ms
  ✔ still extracts a frame from a video that only has a single frame: 277ms
  ✔ still extracts and crops a frame from an MP4 video: 331ms
  ✔ still can extract a frame at a given second: 433ms
  ✔ still can extract a frame in the middle: 490ms
  ✔ video can downsample a video for a smaller filesize: 576ms
  ✔ video can convert a video to webm: 611ms
  ✔ video can convert to MP4 with a target bitrate: 576ms
  ✔ video can convert to WEBM with a target bitrate: 1442ms
  ✔ video can convert to MP4 with a target quality: 577ms
  ✔ video can convert to WEBM with a target quality: 1559ms
  ✔ video removes metadata by default: 246ms
  ✔ video can optionally keep metadata: 244ms
  ✔ video can report progress when processing videos: 959ms
  ✔ avif calls gmagick and exiftool: 153ms
  ✔ avif stops at the first failing call: 51ms
  ✔ avif only processes each file once: 151ms
  ✔ avif keeps track of files already processed: 153ms
  ✔ ffargs crf for h264: 0ms
  ✔ ffargs crf for vpx: 0ms
  ✔ ffargs video filters uses yuv420p chroma subsampling by default: 0ms
  ✔ ffargs video filters handles MTS interlacing: 1ms
  ✔ ffargs video filters handles VAAPI hardware acceleration: 0ms
  ✔ ffargs video filters passes the video filter argument: 0ms
  ✔ ffargs framerate sets to a default value if not specified: 1ms
  ✔ ffargs framerate can specify a framerate value: 0ms
  ✔ ffargs framerate keeps the source framerate if set to 0: 0ms
  ✔ ffmpeg calls the callback when ffmpeg exits with code 0: 1ms
  ✔ ffmpeg calls the callback with an error when ffmpeg exits with code 1: 0ms
  ✔ ffmpeg calls the callback when ffmpeg cannot be launched: 0ms
  ✔ ffmpeg reports progress when ffmpeg emits a duration update: 0ms
  ✔ ffmpeg can parse duration and progress even when lines are emitted in chunks: 0ms
  ✔ ffmpeg reports progress even when duration and time are emitted together: 1ms
  ✔ ffmpeg reports progress throughout and finally terminates: 0ms
  ✔ ffprobe parses the FFProbe output rounded to 1 digit: 0ms
  ✔ ffprobe fail if FFProbe cannot be executed: 1ms
  ✔ ffprobe handles unexpected FFProbe output: 1ms
  ✔ gifsicle throws if the image is not a GIF: 0ms
  ✔ gifsicle cannot crop an animated GIF: 0ms
  ✔ gifsicle calls Gifsicle: 0ms
  ✔ gifsicle resizes to a given width: 1ms
  ✔ gifsicle resizes to a given height: 0ms
  ✔ gmagick no arguments: 0ms
  ✔ gmagick empty array of arguments: 1ms
  ✔ gmagick single argument with no values: 0ms
  ✔ gmagick single argument with one value: 0ms
  ✔ gmagick single argument with space-separated values: 0ms
  ✔ gmagick multiple arguments: 1ms
  ✔ heic calls gmagick and exiftool: 151ms
  ✔ heic stops at the first failing call: 51ms
  ✔ heic only processes each file once: 152ms
  ✔ heic keeps track of files already processed: 153ms

  93 passing (20s)

[VictorLamoine]

@rprieto friendly ping