[
  {
    "prefix": "custom-user-timing",
    "base": "http/tests/performance-timing/custom-user-timing",
    "args": ["--enable-blink-features=CustomUserTiming"]
  },
  {
    "prefix": "gpu",
    "base": "fast/canvas",
    "args": ["--enable-accelerated-2d-canvas"]
  },
  {
    "prefix": "threaded",
    "base": "fast/idleToBlob",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "threaded",
    "base": "external/wpt/offscreen-canvas/convert-to-blob",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "threaded",
    "base": "compositing/visibility",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "threaded",
    "base": "fast/animationworklet",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "threaded",
    "base": "http/tests/worklet",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "threaded",
    "base": "compositing/webgl",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "prefer_compositing_to_lcd_text",
    "base": "compositing/overflow",
    "args": ["--enable-prefer-compositing-to-lcd-text"]
  },
  {
    "prefix": "prefer_compositing_to_lcd_text",
    "base": "scrollbars",
    "args": ["--enable-prefer-compositing-to-lcd-text"]
  },
  {
    "prefix": "threaded",
    "base": "animations",
    "args": ["--enable-threaded-compositing",
             "--disable-composited-antialiasing"]
  },
  {
    "prefix": "threaded",
    "base": "transitions",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "threaded",
    "base": "fast/scroll-behavior",
    "args": ["--enable-threaded-compositing",
             "--enable-prefer-compositing-to-lcd-text"]
  },
  {
    "prefix": "threaded",
    "base": "fast/scrolling",
    "args": ["--enable-threaded-compositing",
             "--enable-prefer-compositing-to-lcd-text"]
  },
  {
    "prefix": "threaded",
    "base": "fast/events/pinch",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "threaded",
    "base": "fast/events/pointerevents/pinch",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "threaded",
    "base": "synthetic_gestures",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "gpu-rasterization",
    "base": "images",
    "args": ["--force-gpu-rasterization"]
  },
  {
    "prefix": "exotic-color-space",
    "base": "images",
    "args": ["--force-color-profile=color-spin-gamma24"]
  },
  {
    "prefix": "stable",
    "base": "webexposed",
    "args": ["--stable-release-mode"]
  },
  {
    "prefix": "stable",
    "base": "http/tests/serviceworker/webexposed",
    "args": ["--stable-release-mode"]
  },
  {
    "prefix": "stable",
    "base": "http/tests/navigation",
    "args": ["--stable-release-mode"]
  },
  {
    "prefix": "stable",
    "base": "http/tests/sendbeacon",
    "args": ["--stable-release-mode"]
  },
  {
    "prefix": "stable",
    "base": "animations-unprefixed",
    "args": ["--stable-release-mode"]
  },
  {
    "prefix": "stable",
    "base": "media/stable",
    "args": ["--stable-release-mode"]
  },
  {
    "prefix": "feature-policy-permissions",
    "base": "external/wpt/mediacapture-streams",
    "args": ["--enable-features=UseFeaturePolicyForPermissions",
             "--use-fake-device-for-media-stream",
             "--use-fake-ui-for-media-stream"]
  },
  {
    "prefix": "origin-trials-runtimeflags-disabled",
    "base": "http/tests/origin_trials/webexposed",
    "args": ["--disable-origin-trial-controlled-blink-features"]
  },
  {
    "prefix": "android",
    "base": "fullscreen",
    "args": ["--enable-features=OverlayScrollbar", "--enable-threaded-compositing",
             "--enable-fixed-position-compositing", "--enable-prefer-compositing-to-lcd-text",
             "--enable-composited-scrolling-for-frames", "--enable-gesture-tap-highlight", "--enable-pinch",
             "--force-overlay-fullscreen-video", "--enable-overscroll-notifications",
             "--enable-viewport", "--disable-canvas-aa", "--disable-composited-antialiasing"]
  },
  {
    "prefix": "android",
    "base": "rootscroller",
    "args": ["--enable-features=OverlayScrollbar", "--enable-threaded-compositing",
             "--enable-fixed-position-compositing", "--enable-prefer-compositing-to-lcd-text",
             "--enable-composited-scrolling-for-frames", "--enable-gesture-tap-highlight", "--enable-pinch",
             "--force-overlay-fullscreen-video", "--enable-overscroll-notifications",
             "--enable-viewport", "--disable-canvas-aa", "--disable-composited-antialiasing"]
  },
  {
    "prefix": "android",
    "base": "url-bar",
    "args": ["--enable-features=OverlayScrollbar", "--enable-threaded-compositing",
             "--enable-fixed-position-compositing", "--enable-prefer-compositing-to-lcd-text",
             "--enable-composited-scrolling-for-frames", "--enable-gesture-tap-highlight", "--enable-pinch",
             "--force-overlay-fullscreen-video", "--enable-overscroll-notifications",
             "--enable-viewport", "--disable-canvas-aa", "--disable-composited-antialiasing"]
  },
  {
    "prefix": "android",
    "base": "frame-size",
    "args": ["--enable-features=OverlayScrollbar", "--enable-threaded-compositing",
             "--enable-fixed-position-compositing", "--enable-prefer-compositing-to-lcd-text",
             "--enable-composited-scrolling-for-frames", "--enable-gesture-tap-highlight", "--enable-pinch",
             "--force-overlay-fullscreen-video", "--enable-overscroll-notifications",
             "--enable-viewport", "--disable-canvas-aa", "--disable-composited-antialiasing"]
  },
  {
    "prefix": "media-gpu-accelerated",
    "base": "external/wpt/media-source",
    "args": ["--use-gpu-in-tests"]
  },
  {
    "prefix": "media-gpu-accelerated",
    "base": "media",
    "args": ["--use-gpu-in-tests"]
  },
  {
    "prefix": "stable",
    "base": "fast/css3-text/css3-text-decoration/stable",
    "args": ["--stable-release-mode"]
  },
  {
    "prefix": "stable",
    "base": "web-animations-api",
    "args": ["--stable-release-mode"]
  },
  {
    "prefix": "without-smil",
    "base": "svg/animations/exposed",
    "args": ["--disable-blink-features=SMIL"]
  },
  {
    "prefix": "linux-subpixel",
    "base": "platform/linux/fast/text/subpixel",
    "args": ["--enable-webkit-text-subpixel-positioning"]
  },
  {
    "prefix": "threaded",
    "base": "printing",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "scroll_customization",
    "base": "fast/scroll-behavior",
    "args": ["--enable-blink-features=ScrollCustomization"]
  },
  {
    "prefix": "scroll_customization",
    "base": "fast/scrolling",
    "args": ["--enable-blink-features=ScrollCustomization"]
  },
  {
    "prefix": "scroll_customization",
    "base": "fast/events/touch",
    "args": ["--enable-blink-features=ScrollCustomization"]
  },
  {
    "prefix": "mse-1mb-buffers",
    "base": "http/tests/media/media-source/stream_memory_tests",
    "args": ["--mse-audio-buffer-size-limit=1048576",
             "--mse-video-buffer-size-limit=1048576"]
  },
  {
    "prefix": "threaded",
    "base": "fast/idle-callback",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "threaded",
    "base": "http/tests/devtools/tracing",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "spv2",
    "base": "compositing",
    "args": ["--enable-slimming-paint-v2"]
  },
  {
    "prefix": "spv2",
    "base": "fast/block",
    "args": ["--enable-slimming-paint-v2"]
  },
  {
    "prefix": "spv2",
    "base": "fast/borders",
    "args": ["--enable-slimming-paint-v2"]
  },
  {
    "prefix": "spv2",
    "base": "fast/clip",
    "args": ["--enable-slimming-paint-v2"]
  },
  {
    "prefix": "spv2",
    "base": "fast/css",
    "args": ["--enable-slimming-paint-v2"]
  },
  {
    "prefix": "spv2",
    "base": "fast/overflow",
    "args": ["--enable-slimming-paint-v2"]
  },
  {
    "prefix": "spv2",
    "base": "paint",
    "args": ["--enable-slimming-paint-v2"]
  },
  {
    "prefix": "spv2",
    "base": "svg",
    "args": ["--enable-slimming-paint-v2"]
  },
  {
    "prefix": "blink-gen-property-trees",
    "base": "paint/transparency",
    "args": ["--enable-blink-gen-property-trees"]
  },
  {
    "prefix": "disable-spv175",
    "base": "compositing",
    "args": ["--disable-blink-features=SlimmingPaintV175"]
  },
  {
    "prefix": "disable-spv175",
    "base": "paint",
    "args": ["--disable-blink-features=SlimmingPaintV175"]
  },
  {
    "prefix": "disable-spv175",
    "base": "fast/borders",
    "args": ["--disable-blink-features=SlimmingPaintV175"]
  },
  {
    "prefix": "disable-spv175",
    "base": "fast/multicol",
    "args": ["--disable-blink-features=SlimmingPaintV175"]
  },
  {
    "prefix": "disable-spv175",
    "base": "fast/pagination",
    "args": ["--disable-blink-features=SlimmingPaintV175"]
  },
  {
    "prefix": "disable-spv175",
    "base": "fragmentation",
    "args": ["--disable-blink-features=SlimmingPaintV175"]
  },
  {
    "prefix": "disable-spv175",
    "base": "printing",
    "args": ["--disable-blink-features=SlimmingPaintV175"]
  },
  {
    "prefix": "scalefactor200",
    "base": "fast/hidpi/static",
    "args": ["--force-device-scale-factor=2"]
  },
  {
    "prefix": "scalefactor200",
    "base": "external/wpt/css/css-paint-api/hidpi",
    "args": ["--force-device-scale-factor=2"]
  },
  {
    "prefix": "scalefactor200",
    "base": "http/tests/csspaint/hidpi",
    "args": ["--force-device-scale-factor=2"]
  },
  {
    "prefix": "scalefactor150",
    "base": "fast/hidpi/static",
    "args": ["--force-device-scale-factor=1.5"]
  },
  {
    "prefix": "scalefactor200withzoom",
    "base": "fast/hidpi/static",
    "args": ["--force-device-scale-factor=2", "--enable-use-zoom-for-dsf"]
  },
  {
    "prefix": "wheelscrolllatching",
    "base": "fast/events/wheel",
    "args": ["--enable-features=TouchpadAndWheelScrollLatching"]
  },
  {
    "prefix": "wheelscrolllatching",
    "base": "fast/compositor-wheel-scroll-latching/animated-scroll",
    "args": ["--enable-features=TouchpadAndWheelScrollLatching",
             "--enable-threaded-compositing"]
  },
  {
    "prefix": "wheelscrolllatching",
    "base": "fast/compositor-wheel-scroll-latching/non-animated-scroll",
    "args": ["--enable-features=TouchpadAndWheelScrollLatching",
             "--enable-threaded-compositing",
             "--disable-smooth-scrolling"]
  },
  {
    "prefix": "scalefactor150",
    "base": "fast/events/synthetic-events",
    "args": ["--force-device-scale-factor=1.5"]
  },
  {
    "prefix": "enable_wasm",
    "base": "http/tests/wasm",
    "args": ["--enable-features=WebAssembly"]
  },
  {
    "prefix": "enable_wasm",
    "base": "external/wpt/wasm",
    "args": ["--enable-features=WebAssembly"]
  },
  {
    "prefix": "enable_wasm_streaming",
    "base": "http/tests/wasm_streaming",
    "args": ["--enable-features=WebAssemblyStreaming"]
  },
  {
    "prefix": "enable_asmjs",
    "base": "http/tests/asmjs",
    "args": ["--enable-features=AsmJsToWebAssembly"]
  },
  {
    "prefix": "pwa-full-code-cache",
    "base": "http/tests/devtools/service-workers/",
    "args": ["--enable-features=PWAFullCodeCache"]
  },
  {
    "prefix": "layout_ng",
    "base": "fast/block/basic",
    "args": ["--enable-blink-features=LayoutNG",
             "--enable-slimming-paint-v175"]
  },
  {
    "prefix": "layout_ng",
    "base": "fast/block/margin-collapse",
    "args": ["--enable-blink-features=LayoutNG",
             "--enable-slimming-paint-v175"]
  },
  {
    "prefix": "layout_ng",
    "base": "fast/block/float",
    "args": ["--enable-blink-features=LayoutNG",
             "--enable-slimming-paint-v175"]
  },
  {
    "prefix": "layout_ng",
    "base": "external/wpt/css/CSS2/linebox",
    "args": ["--enable-blink-features=LayoutNG",
             "--enable-slimming-paint-v175"]
  },
  {
    "prefix": "layout_ng",
    "base": "external/wpt/css/CSS2/normal-flow",
    "args": ["--enable-blink-features=LayoutNG",
             "--enable-slimming-paint-v175"]
  },
  {
    "prefix": "layout_ng",
    "base": "external/wpt/css/CSS2/abspos",
    "args": ["--enable-blink-features=LayoutNG",
             "--enable-slimming-paint-v175"]
  },
  {
    "prefix": "layout_ng",
    "base": "external/wpt/css/CSS2/positioning",
    "args": ["--enable-blink-features=LayoutNG",
             "--enable-slimming-paint-v175"]
  },
  {
    "prefix": "layout_ng",
    "base": "external/wpt/css/CSS2/floats",
    "args": ["--enable-blink-features=LayoutNG",
             "--enable-slimming-paint-v175"]
  },
  {
    "prefix": "layout_ng",
    "base": "external/wpt/css/CSS2/floats-clear",
    "args": ["--enable-blink-features=LayoutNG",
             "--enable-slimming-paint-v175"]
  },
  {
    "prefix": "layout_ng",
    "base": "overflow",
    "args": ["--enable-blink-features=LayoutNG",
             "--enable-slimming-paint-v175"]
  },
  {
    "prefix": "layout_ng",
    "base": "fast/inline",
    "args": ["--enable-blink-features=LayoutNG",
             "--enable-slimming-paint-v175"]
  },
  {
    "prefix": "layout_ng",
    "base": "fast/writing-mode",
    "args": ["--enable-blink-features=LayoutNG",
             "--enable-slimming-paint-v175"]
  },
  {
    "prefix": "layout_ng_experimental",
    "base": "external/wpt/css/css-multicol",
    "args": ["--enable-blink-features=LayoutNGBlockFragmentation"]
  },
  {
    "prefix": "layout_ng_experimental",
    "base": "fast/multicol",
    "args": ["--enable-blink-features=LayoutNGBlockFragmentation"]
  },
  {
    "prefix": "layout_ng_experimental",
    "base": "fast/pagination",
    "args": ["--enable-blink-features=LayoutNGBlockFragmentation"]
  },
  {
    "prefix": "layout_ng_experimental",
    "base": "fragmentation",
    "args": ["--enable-blink-features=LayoutNGBlockFragmentation"]
  },
  {
    "prefix": "layout_ng_experimental",
    "base": "printing",
    "args": ["--enable-blink-features=LayoutNGBlockFragmentation"]
  },
  {
    "prefix": "layout_ng_experimental",
    "base": "css3/flexbox",
    "args": ["--enable-blink-features=LayoutNGFlexBox"]
  },
  {
    "prefix": "layout_ng_experimental",
    "base": "external/wpt/css/css-flexbox",
    "args": ["--enable-blink-features=LayoutNGFlexBox"]
  },
  {
    "prefix": "print_browser",
    "base": "print_testharness",
    "args": ["--enable-print-browser"]
  },
  {
    "prefix": "new-remote-playback-pipeline",
    "base": "media/remoteplayback",
    "args": ["--enable-features=NewRemotePlaybackPipeline"]
  },
  {
    "prefix": "new-remote-playback-pipeline",
    "base": "media/controls",
    "args": ["--enable-features=NewRemotePlaybackPipeline"]
  },
  {
    "prefix": "new-remote-playback-pipeline",
    "base": "external/wpt/remote-playback",
    "args": ["--enable-features=NewRemotePlaybackPipeline"]
  },
  {
    "prefix": "new-remote-playback-pipeline",
    "base": "http/tests/media/controls",
    "args": ["--enable-features=NewRemotePlaybackPipeline"]
  },
  {
    "prefix": "high-contrast-mode",
    "base": "paint/high-contrast-mode/image-filter-all",
    "args": ["--blink-settings=highContrastMode=3,highContrastImagePolicy=0"]
  },
  {
    "prefix": "high-contrast-mode",
    "base": "paint/high-contrast-mode/image-filter-none",
    "args": ["--blink-settings=highContrastMode=3,highContrastImagePolicy=1"]
  },
  {
    "prefix": "high-contrast-mode",
    "base": "paint/high-contrast-mode/image-filter-smart",
    "args": ["--blink-settings=highContrastMode=3,highContrastImagePolicy=2"]
  },
  {
    "prefix": "outofblink-cors",
    "base": "external/wpt/fetch",
    "args": ["--enable-features=OutOfBlinkCORS,LoadingWithMojo"]
  },
  {
    "prefix": "outofblink-cors",
    "base": "external/wpt/http",
    "args": ["--enable-features=OutOfBlinkCORS,LoadingWithMojo"]
  },
  {
    "prefix": "outofblink-cors",
    "base": "external/wpt/referrer-policy",
    "args": ["--enable-features=OutOfBlinkCORS,LoadingWithMojo"]
  },
  {
    "prefix": "outofblink-cors",
    "base": "external/wpt/service-workers",
    "args": ["--enable-features=OutOfBlinkCORS,LoadingWithMojo"]
  },
  {
    "prefix": "outofblink-cors",
    "base": "http/tests/xmlhttprequest",
    "args": ["--enable-features=OutOfBlinkCORS,LoadingWithMojo"]
  },
  {
    "prefix": "presentation",
    "base": "receiver",
    "args": ["--force-presentation-receiver-for-testing"]
  },
  {
    "prefix": "sharedarraybuffer",
    "base": "external/wpt/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers",
    "args": ["--js-flags=--harmony-sharedarraybuffer",
             "--enable-blink-features=SharedArrayBuffer"]
  },
  {
    "prefix": "longtask-v2",
    "base": "http/tests/performance-timing/longtask-v2",
    "args": ["--enable-blink-features=LongTaskV2"]
  },
  {
    "prefix": "paint-timing",
    "base": "external/wpt/paint-timing",
    "args": ["--enable-threaded-compositing"]
  },
  {
    "prefix": "cors-rfc1918",
    "base": "http/tests/security/cors-rfc1918",
    "args": ["--enable-blink-features=CorsRFC1918"]
  },
  {
    "prefix": "single-renderer-process",
    "base": "external/wpt/longtask-timing/shared-renderer",
    "args": ["--renderer-process-limit=1"]
  },
  {
    "prefix": "import-meta-url",
    "base": "external/wpt/html/semantics/scripting-1/the-script-element/module/import-meta",
    "args": ["--enable-features=ModuleScriptsImportMetaUrl"]
  },
  {
    "prefix": "reporting-api",
    "base": "external/wpt/content-security-policy/reporting-api",
    "args": ["--enable-features=Reporting"]
  },
  {
    "prefix": "mouseevent_fractional",
    "base": "fast/events",
    "args": ["--enable-blink-features=FractionalMouseEvent"]
  },
  {
    "prefix": "unified-autoplay",
    "base": "external/wpt/feature-policy",
    "args": ["--autoplay-policy=document-user-activation-required"]
  },
  {
    "prefix": "sampling-heap-profiler",
    "base": "inspector-protocol/memory",
    "args": ["--sampling-heap-profiler"]
  },
  {
    "prefix": "htxg",
    "base": "http/tests/loading/htxg",
    "args": ["--enable-features=SignedHTTPExchange"]
  },
  {
    "prefix": "htxg",
    "base": "http/tests/devtools/htxg",
    "args": ["--enable-features=SignedHTTPExchange"]
  },
  {
    "prefix": "htxg-with-network-service",
    "base": "http/tests/loading/htxg",
    "args": ["--enable-features=SignedHTTPExchange,NetworkService"]
  },
  {
    "prefix": "htxg-with-network-service",
    "base": "http/tests/devtools/htxg",
    "args": ["--enable-features=SignedHTTPExchange,NetworkService"]
  },
  {
    "prefix": "htxg-origin-trial",
    "base": "http/tests/loading/htxg",
    "args": ["--enable-features=SignedHTTPExchangeOriginTrial"]
  },
  {
    "prefix": "htxg-origin-trial-with-network-service",
    "base": "http/tests/loading/htxg",
    "args": ["--enable-features=SignedHTTPExchangeOriginTrial,NetworkService"]
  },
  {
    "prefix": "picture-in-picture",
    "base": "external/wpt/picture-in-picture",
    "args": ["--enable-features=UseSurfaceLayerForVideo"]
  },
  {
    "prefix": "picture-in-picture",
    "base": "external/wpt/feature-policy",
    "args": ["--enable-features=UseSurfaceLayerForVideo"]
  },
  {
    "prefix": "picture-in-picture",
    "base": "media/picture-in-picture",
    "args": ["--enable-features=PictureInPicture,UseSurfaceLayerForVideo"]
  },
  {
    "prefix": "off-main-thread-websocket",
    "base": "external/wpt/websockets",
    "args": ["--disable-features=OffMainThreadWebSocket"]
  },
  {
    "prefix": "off-main-thread-websocket",
    "base": "http/tests/websocket",
    "args": ["--disable-features=OffMainThreadWebSocket"]
  },
  {
    "prefix": "off-main-thread-websocket",
    "base": "http/tests/security/mixedContent/websocket",
    "args": ["--disable-features=OffMainThreadWebSocket"]
  },
  {
    "prefix": "webrtc-wpt-unified-plan",
    "base": "external/wpt/webrtc",
    "args": ["--enable-blink-features=RTCUnifiedPlanByDefault"]
  },
  {
    "prefix": "video-surface-layer",
    "base": "media",
    "args": ["--enable-features=UseSurfaceLayerForVideo",
             "--enable-display-compositor-pixel-dump"]
  },
  {
    "prefix": "user-activation-v2",
    "base": "user-activation-v2",
    "args": ["--enable-features=UserActivationV2"]
  }
]