From c988712bc53db22979e639c776d5b3b8674bb341 Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Thu, 15 Apr 2021 15:18:57 +0200
Subject: [PATCH] Update the `yargs` package to the latest version

While I wasn't able to figure out *exactly* why the old format didn't work, re-factoring the `parseOptions` function to use `yargs` differently "just worked" so that's hopefully good enough here.
With these changes everything related to a *particular* option now appears in one place, rather than being spread out, which aids readability in my opinion. Also, the options are now sorted alphabetically, to make it easier to find a particular one.

https://www.npmjs.com/package/yargs
---
 package-lock.json | 257 ++++++++++++----------------------------------
 package.json      |   2 +-
 test/test.js      | 193 ++++++++++++++++++++--------------
 3 files changed, 183 insertions(+), 269 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index b94aef640..5413c39d9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9670,15 +9670,6 @@
         "kind-of": "^6.0.2"
       }
     },
-    "map-age-cleaner": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/map-age-cleaner/-/map-age-cleaner-0.1.3.tgz",
-      "integrity": "sha512-bJzx6nMoP6PDLPBFmg7+xRKeFZvFboMrGlxmNj9ClvX53KrmvM5bXFXEWjbz4cz1AFn+jWJ9z/DJSz7hrs0w3w==",
-      "dev": true,
-      "requires": {
-        "p-defer": "^1.0.0"
-      }
-    },
     "map-cache": {
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/map-cache/-/map-cache-0.2.2.tgz",
@@ -10423,12 +10414,6 @@
       "integrity": "sha1-yobR/ogoFpsBICCOPchCS524NCw=",
       "dev": true
     },
-    "nice-try": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
-      "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
-      "dev": true
-    },
     "node-fetch": {
       "version": "2.6.1",
       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz",
@@ -14146,15 +14131,6 @@
         "npm-normalize-package-bin": "^1.0.1"
       }
     },
-    "npm-run-path": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-2.0.2.tgz",
-      "integrity": "sha1-NakjLfo11wZ7TLLd8jV7GHFTbF8=",
-      "dev": true,
-      "requires": {
-        "path-key": "^2.0.0"
-      }
-    },
     "npmlog": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
@@ -14375,24 +14351,6 @@
         "os-tmpdir": "^1.0.0"
       }
     },
-    "p-defer": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/p-defer/-/p-defer-1.0.0.tgz",
-      "integrity": "sha1-n26xgvbJqozXQwBKfU+WsZaw+ww=",
-      "dev": true
-    },
-    "p-finally": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-1.0.0.tgz",
-      "integrity": "sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4=",
-      "dev": true
-    },
-    "p-is-promise": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/p-is-promise/-/p-is-promise-2.1.0.tgz",
-      "integrity": "sha512-Y3W0wlRPK8ZMRbNq97l4M5otioeA5lm1z7bkNkxCka8HSPjR0xRWmpCmc9utiaLP9Jb1eD8BgeIxTW4AIF45Pg==",
-      "dev": true
-    },
     "p-limit": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.2.0.tgz",
@@ -14532,12 +14490,6 @@
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
       "dev": true
     },
-    "path-key": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/path-key/-/path-key-2.0.1.tgz",
-      "integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=",
-      "dev": true
-    },
     "path-parse": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.5.tgz",
@@ -16017,21 +15969,6 @@
         "safe-buffer": "^5.0.1"
       }
     },
-    "shebang-command": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
-      "integrity": "sha1-RKrGW2lbAzmJaMOfNj/uXer98eo=",
-      "dev": true,
-      "requires": {
-        "shebang-regex": "^1.0.0"
-      }
-    },
-    "shebang-regex": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-1.0.0.tgz",
-      "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
-      "dev": true
-    },
     "signal-exit": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
@@ -16533,12 +16470,6 @@
         "is-utf8": "^0.2.0"
       }
     },
-    "strip-eof": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
-      "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8=",
-      "dev": true
-    },
     "strip-indent": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-3.0.0.tgz",
@@ -18539,12 +18470,6 @@
         "isexe": "^2.0.0"
       }
     },
-    "which-module": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
-      "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
-      "dev": true
-    },
     "wide-align": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
@@ -19415,155 +19340,109 @@
       "dev": true
     },
     "yargs": {
-      "version": "11.1.1",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-11.1.1.tgz",
-      "integrity": "sha512-PRU7gJrJaXv3q3yQZ/+/X6KBswZiaQ+zOmdprZcouPYtQgvNU35i+68M4b1ZHLZtYFT5QObFLV+ZkmJYcwKdiw==",
+      "version": "16.2.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-16.2.0.tgz",
+      "integrity": "sha512-D1mvvtDG0L5ft/jGWkLpG1+m0eQxOfaBvTNELraWj22wSVUMWxZUvYgJYcKh6jGGIkJFhH4IZPQhR4TKpc8mBw==",
       "dev": true,
       "requires": {
-        "cliui": "^4.0.0",
-        "decamelize": "^1.1.1",
-        "find-up": "^2.1.0",
-        "get-caller-file": "^1.0.1",
-        "os-locale": "^3.1.0",
+        "cliui": "^7.0.2",
+        "escalade": "^3.1.1",
+        "get-caller-file": "^2.0.5",
         "require-directory": "^2.1.1",
-        "require-main-filename": "^1.0.1",
-        "set-blocking": "^2.0.0",
-        "string-width": "^2.0.0",
-        "which-module": "^2.0.0",
-        "y18n": "^3.2.1",
-        "yargs-parser": "^9.0.2"
+        "string-width": "^4.2.0",
+        "y18n": "^5.0.5",
+        "yargs-parser": "^20.2.2"
       },
       "dependencies": {
         "ansi-regex": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.0.tgz",
+          "integrity": "sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg==",
           "dev": true
         },
-        "camelcase": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
-          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
-          "dev": true
+        "ansi-styles": {
+          "version": "4.3.0",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+          "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+          "dev": true,
+          "requires": {
+            "color-convert": "^2.0.1"
+          }
         },
         "cliui": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
-          "integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
+          "version": "7.0.4",
+          "resolved": "https://registry.npmjs.org/cliui/-/cliui-7.0.4.tgz",
+          "integrity": "sha512-OcRE68cOsVMXp1Yvonl/fzkQOyjLSu/8bhPDfQt0e0/Eb283TKP20Fs2MqoPsr9SwA595rRCA+QMzYc9nBP+JQ==",
           "dev": true,
           "requires": {
-            "string-width": "^2.1.1",
-            "strip-ansi": "^4.0.0",
-            "wrap-ansi": "^2.0.0"
+            "string-width": "^4.2.0",
+            "strip-ansi": "^6.0.0",
+            "wrap-ansi": "^7.0.0"
           }
         },
-        "cross-spawn": {
-          "version": "6.0.5",
-          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
-          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+        "color-convert": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+          "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
           "dev": true,
           "requires": {
-            "nice-try": "^1.0.4",
-            "path-key": "^2.0.1",
-            "semver": "^5.5.0",
-            "shebang-command": "^1.2.0",
-            "which": "^1.2.9"
+            "color-name": "~1.1.4"
           }
         },
-        "execa": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
-          "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
-          "dev": true,
-          "requires": {
-            "cross-spawn": "^6.0.0",
-            "get-stream": "^4.0.0",
-            "is-stream": "^1.1.0",
-            "npm-run-path": "^2.0.0",
-            "p-finally": "^1.0.0",
-            "signal-exit": "^3.0.0",
-            "strip-eof": "^1.0.0"
-          }
-        },
-        "get-stream": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
-          "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
-          "dev": true,
-          "requires": {
-            "pump": "^3.0.0"
-          }
-        },
-        "invert-kv": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-2.0.0.tgz",
-          "integrity": "sha512-wPVv/y/QQ/Uiirj/vh3oP+1Ww+AWehmi1g5fFWGPF6IpCBCDVrhgHRMvrLfdYcwDh3QJbGXDW4JAuzxElLSqKA==",
+        "color-name": {
+          "version": "1.1.4",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+          "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
           "dev": true
         },
-        "lcid": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/lcid/-/lcid-2.0.0.tgz",
-          "integrity": "sha512-avPEb8P8EGnwXKClwsNUgryVjllcRqtMYa49NTsbQagYuT1DcXnl1915oxWjoyGrXR6zH/Y0Zc96xWsPcoDKeA==",
-          "dev": true,
-          "requires": {
-            "invert-kv": "^2.0.0"
-          }
-        },
-        "mem": {
-          "version": "4.3.0",
-          "resolved": "https://registry.npmjs.org/mem/-/mem-4.3.0.tgz",
-          "integrity": "sha512-qX2bG48pTqYRVmDB37rn/6PT7LcR8T7oAX3bf99u1Tt1nzxYfxkgqDwUwolPlXweM0XzBOBFzSx4kfp7KP1s/w==",
-          "dev": true,
-          "requires": {
-            "map-age-cleaner": "^0.1.1",
-            "mimic-fn": "^2.0.0",
-            "p-is-promise": "^2.0.0"
-          }
-        },
-        "mimic-fn": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-2.1.0.tgz",
-          "integrity": "sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==",
+        "get-caller-file": {
+          "version": "2.0.5",
+          "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
+          "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==",
           "dev": true
         },
-        "os-locale": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.1.0.tgz",
-          "integrity": "sha512-Z8l3R4wYWM40/52Z+S265okfFj8Kt2cC2MKY+xNi3kFs+XGI7WXu/I309QQQYbRW4ijiZ+yxs9pqEhJh0DqW3Q==",
-          "dev": true,
-          "requires": {
-            "execa": "^1.0.0",
-            "lcid": "^2.0.0",
-            "mem": "^4.0.0"
-          }
-        },
-        "pump": {
+        "is-fullwidth-code-point": {
           "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
-          "integrity": "sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
+          "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==",
+          "dev": true
+        },
+        "string-width": {
+          "version": "4.2.2",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.2.tgz",
+          "integrity": "sha512-XBJbT3N4JhVumXE0eoLU9DCjcaF92KLNqTmFCnG1pf8duUxFGwtP6AD6nkjw9a3IdiRtL3E2w3JDiE/xi3vOeA==",
           "dev": true,
           "requires": {
-            "end-of-stream": "^1.1.0",
-            "once": "^1.3.1"
+            "emoji-regex": "^8.0.0",
+            "is-fullwidth-code-point": "^3.0.0",
+            "strip-ansi": "^6.0.0"
           }
         },
         "strip-ansi": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.0.tgz",
+          "integrity": "sha512-AuvKTrTfQNYNIctbR1K/YGTR1756GycPsg7b9bdV9Duqur4gv6aKqHXah67Z8ImS7WEz5QVcOtlfW2rZEugt6w==",
           "dev": true,
           "requires": {
-            "ansi-regex": "^3.0.0"
+            "ansi-regex": "^5.0.0"
           }
         },
-        "yargs-parser": {
-          "version": "9.0.2",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-9.0.2.tgz",
-          "integrity": "sha1-nM9qQ0YP5O1Aqbto9I1DuKaMwHc=",
+        "wrap-ansi": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
+          "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
           "dev": true,
           "requires": {
-            "camelcase": "^4.1.0"
+            "ansi-styles": "^4.0.0",
+            "string-width": "^4.1.0",
+            "strip-ansi": "^6.0.0"
           }
+        },
+        "y18n": {
+          "version": "5.0.8",
+          "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
+          "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
+          "dev": true
         }
       }
     },
diff --git a/package.json b/package.json
index 5566ce339..97ebe5abb 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "webpack": "^5.30.0",
     "webpack-stream": "^6.1.2",
     "wintersmith": "^2.5.0",
-    "yargs": "^11.1.1"
+    "yargs": "^16.2.0"
   },
   "scripts": {
     "postinstall": "cross-env PUPPETEER_PRODUCT=firefox node node_modules/puppeteer/install.js",
diff --git a/test/test.js b/test/test.js
index 3321e6fec..cf9eaf680 100644
--- a/test/test.js
+++ b/test/test.js
@@ -24,90 +24,125 @@ var os = require("os");
 var puppeteer = require("puppeteer");
 var url = require("url");
 var testUtils = require("./testutils.js");
+const yargs = require("yargs");
 
 function parseOptions() {
-  function describeCheck(fn, text) {
-    fn.toString = function () {
-      return text;
-    };
-    return fn;
-  }
-
-  var yargs = require("yargs")
+  yargs
     .usage("Usage: $0")
-    .boolean([
-      "help",
-      "masterMode",
-      "reftest",
-      "unitTest",
-      "fontTest",
-      "noPrompts",
-      "noDownload",
-      "noChrome",
-      "downloadOnly",
-      "strictVerify",
-    ])
-    .string(["manifestFile", "port", "statsFile", "statsDelay", "testfilter"])
-    .alias("help", "h")
-    .alias("masterMode", "m")
-    .alias("testfilter", "t")
-    .describe("help", "Show this help message")
-    .describe("masterMode", "Run the script in master mode.")
-    .describe(
-      "noPrompts",
-      "Uses default answers (intended for CLOUD TESTS only!)."
-    )
-    .describe(
-      "manifestFile",
-      "A path to JSON file in the form of test_manifest.json"
-    )
-    .default("manifestFile", "test_manifest.json")
-    .describe(
-      "reftest",
-      "Automatically start reftest showing comparison " +
-        "test failures, if there are any."
-    )
-    .describe("testfilter", "Run specific reftest(s).")
-    .default("testfilter", [])
+    .option("downloadOnly", {
+      default: false,
+      describe: "Download test PDFs without running the tests.",
+      type: "boolean",
+    })
+    .option("fontTest", {
+      default: false,
+      describe: "Run the font tests.",
+      type: "boolean",
+    })
+    .option("help", {
+      alias: "h",
+      default: false,
+      describe: "Show this help message.",
+      type: "boolean",
+    })
+    .option("manifestFile", {
+      default: "test_manifest.json",
+      describe: "A path to JSON file in the form of `test_manifest.json`.",
+      type: "string",
+    })
+    .option("masterMode", {
+      alias: "m",
+      default: false,
+      describe: "Run the script in master mode.",
+      type: "boolean",
+    })
+    .option("noChrome", {
+      default: false,
+      describe: "Skip Chrome when running tests.",
+      type: "boolean",
+    })
+    .option("noDownload", {
+      default: false,
+      describe: "Skip downloading of test PDFs.",
+      type: "boolean",
+    })
+    .option("noPrompts", {
+      default: false,
+      describe: "Uses default answers (intended for CLOUD TESTS only!).",
+      type: "boolean",
+    })
+    .option("port", {
+      default: 0,
+      describe: "The port the HTTP server should listen on.",
+      type: "number",
+    })
+    .option("reftest", {
+      default: false,
+      describe:
+        "Automatically start reftest showing comparison test failures, if there are any.",
+      type: "boolean",
+    })
+    .option("statsDelay", {
+      default: 0,
+      describe:
+        "The amount of time in milliseconds the browser should wait before starting stats.",
+      type: "number",
+    })
+    .option("statsFile", {
+      default: "",
+      describe: "The file where to store stats.",
+      type: "string",
+    })
+    .option("strictVerify", {
+      default: false,
+      describe: "Error if verifying the manifest files fails.",
+      type: "boolean",
+    })
+    .option("testfilter", {
+      alias: "t",
+      default: [],
+      describe: "Run specific reftest(s).",
+      type: "array",
+    })
     .example(
-      "$0 -t=issue5567 -t=issue5909",
-      "Run the reftest identified by issue5567 and issue5909."
+      "testfilter",
+      "$0 -t=issue5567 -t=issue5909\n" +
+        "Run the reftest identified by issue5567 and issue5909."
     )
-    .describe("port", "The port the HTTP server should listen on.")
-    .default("port", 0)
-    .describe("unitTest", "Run the unit tests.")
-    .describe("fontTest", "Run the font tests.")
-    .describe("noDownload", "Skips test PDFs downloading.")
-    .describe("noChrome", "Skip Chrome when running tests.")
-    .describe("downloadOnly", "Download test PDFs without running the tests.")
-    .describe("strictVerify", "Error if verifying the manifest files fails.")
-    .describe("statsFile", "The file where to store stats.")
-    .describe(
-      "statsDelay",
-      "The amount of time in milliseconds the browser " +
-        "should wait before starting stats."
-    )
-    .default("statsDelay", 0)
-    .check(
-      describeCheck(function (argv) {
-        return (
-          +argv.reftest + argv.unitTest + argv.fontTest + argv.masterMode <= 1
-        );
-      }, "--reftest, --unitTest, --fontTest and --masterMode must not be " +
-        "specified at the same time.")
-    )
-    .check(
-      describeCheck(function (argv) {
-        return !argv.noDownload || !argv.downloadOnly;
-      }, "--noDownload and --downloadOnly cannot be used together.")
-    )
-    .check(
-      describeCheck(function (argv) {
-        return !argv.masterMode || argv.manifestFile === "test_manifest.json";
-      }, "when --masterMode is specified --manifestFile shall be equal " +
-        "test_manifest.json")
-    );
-  var result = yargs.argv;
+    .option("unitTest", {
+      default: false,
+      describe: "Run the unit tests.",
+      type: "boolean",
+    })
+    .check(argv => {
+      if (
+        +argv.reftest + argv.unitTest + argv.fontTest + argv.masterMode <=
+        1
+      ) {
+        return true;
+      }
+      throw new Error(
+        "--reftest, --unitTest, --fontTest, and --masterMode must not be specified together."
+      );
+    })
+    .check(argv => {
+      if (!argv.noDownload || !argv.downloadOnly) {
+        return true;
+      }
+      throw new Error(
+        "--noDownload and --downloadOnly cannot be used together."
+      );
+    })
+    .check(argv => {
+      if (!argv.masterMode || argv.manifestFile === "test_manifest.json") {
+        return true;
+      }
+      throw new Error(
+        "when --masterMode is specified --manifestFile shall be equal to `test_manifest.json`."
+      );
+    });
+
+  const result = yargs.argv;
   if (result.help) {
     yargs.showHelp();
     process.exit(0);