diff --git a/tests/server/package-lock.json b/tests/server/package-lock.json
index f6cd920..8177368 100644
--- a/tests/server/package-lock.json
+++ b/tests/server/package-lock.json
@@ -5,18 +5,33 @@
   "requires": true,
   "dependencies": {
     "accepts": {
-      "version": "1.3.4",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.4.tgz",
-      "integrity": "sha1-hiRnWMfdbSGmR0/whKR0DsBesh8=",
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
+      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
       "requires": {
-        "mime-types": "~2.1.16",
-        "negotiator": "0.6.1"
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "dependencies": {
+        "mime-db": {
+          "version": "1.52.0",
+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+          "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg=="
+        },
+        "mime-types": {
+          "version": "2.1.35",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
+          "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+          "requires": {
+            "mime-db": "1.52.0"
+          }
+        }
       }
     },
     "array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
-      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+      "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
     },
     "body-parser": {
       "version": "1.18.2",
@@ -41,9 +56,12 @@
       "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg="
     },
     "content-disposition": {
-      "version": "0.5.2",
-      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.2.tgz",
-      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ="
+      "version": "0.5.4",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
+      "integrity": "sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ==",
+      "requires": {
+        "safe-buffer": "5.2.1"
+      }
     },
     "content-type": {
       "version": "1.0.4",
@@ -51,14 +69,14 @@
       "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA=="
     },
     "cookie": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
-      "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
+      "version": "0.4.2",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
+      "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA=="
     },
     "cookie-signature": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
-      "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
+      "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
     },
     "debug": {
       "version": "2.6.9",
@@ -76,7 +94,7 @@
     "destroy": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
-      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
+      "integrity": "sha512-3NdhDuEXnfun/z7x9GOElY49LoqVHoGScmOKwmxhsS8N5Y+Z8KyPPDnaSzqWgYt/ji4mqwfTS34Htrk0zPIXVg=="
     },
     "ee-first": {
       "version": "1.1.1",
@@ -86,97 +104,182 @@
     "encodeurl": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
-      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
+      "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w=="
     },
     "escape-html": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
-      "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
+      "integrity": "sha512-NiSupZ4OeuGwr68lGIeym/ksIZMJodUGOSCZ/FSnTxcrekbvqrgdUxlJOMpijaKZVjAJrWrGs/6Jy8OMuyj9ow=="
     },
     "etag": {
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
-      "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc="
+      "integrity": "sha512-aIL5Fx7mawVa300al2BnEE4iNvo1qETxLrPI/o05L7z6go7fCw1J6EQmbK4FmJ2AS7kgVF/KEZWufBfdClMcPg=="
     },
     "express": {
-      "version": "4.16.2",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.16.2.tgz",
-      "integrity": "sha1-41xt/i1kt9ygpc1PIXgb4ymeB2w=",
+      "version": "4.17.3",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.17.3.tgz",
+      "integrity": "sha512-yuSQpz5I+Ch7gFrPCk4/c+dIBKlQUxtgwqzph132bsT6qhuzss6I8cLJQz7B3rFblzd6wtcI0ZbGltH/C4LjUg==",
       "requires": {
-        "accepts": "~1.3.4",
+        "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
-        "body-parser": "1.18.2",
-        "content-disposition": "0.5.2",
+        "body-parser": "1.19.2",
+        "content-disposition": "0.5.4",
         "content-type": "~1.0.4",
-        "cookie": "0.3.1",
+        "cookie": "0.4.2",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
-        "depd": "~1.1.1",
-        "encodeurl": "~1.0.1",
+        "depd": "~1.1.2",
+        "encodeurl": "~1.0.2",
         "escape-html": "~1.0.3",
         "etag": "~1.8.1",
-        "finalhandler": "1.1.0",
+        "finalhandler": "~1.1.2",
         "fresh": "0.5.2",
         "merge-descriptors": "1.0.1",
         "methods": "~1.1.2",
         "on-finished": "~2.3.0",
-        "parseurl": "~1.3.2",
+        "parseurl": "~1.3.3",
         "path-to-regexp": "0.1.7",
-        "proxy-addr": "~2.0.2",
-        "qs": "6.5.1",
-        "range-parser": "~1.2.0",
-        "safe-buffer": "5.1.1",
-        "send": "0.16.1",
-        "serve-static": "1.13.1",
-        "setprototypeof": "1.1.0",
-        "statuses": "~1.3.1",
-        "type-is": "~1.6.15",
+        "proxy-addr": "~2.0.7",
+        "qs": "6.9.7",
+        "range-parser": "~1.2.1",
+        "safe-buffer": "5.2.1",
+        "send": "0.17.2",
+        "serve-static": "1.14.2",
+        "setprototypeof": "1.2.0",
+        "statuses": "~1.5.0",
+        "type-is": "~1.6.18",
         "utils-merge": "1.0.1",
         "vary": "~1.1.2"
       },
       "dependencies": {
+        "body-parser": {
+          "version": "1.19.2",
+          "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.2.tgz",
+          "integrity": "sha512-SAAwOxgoCKMGs9uUAUFHygfLAyaniaoun6I8mFY9pRAJL9+Kec34aU+oIjDhTycub1jozEfEwx1W1IuOYxVSFw==",
+          "requires": {
+            "bytes": "3.1.2",
+            "content-type": "~1.0.4",
+            "debug": "2.6.9",
+            "depd": "~1.1.2",
+            "http-errors": "1.8.1",
+            "iconv-lite": "0.4.24",
+            "on-finished": "~2.3.0",
+            "qs": "6.9.7",
+            "raw-body": "2.4.3",
+            "type-is": "~1.6.18"
+          }
+        },
+        "bytes": {
+          "version": "3.1.2",
+          "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
+          "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg=="
+        },
+        "http-errors": {
+          "version": "1.8.1",
+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.8.1.tgz",
+          "integrity": "sha512-Kpk9Sm7NmI+RHhnj6OIWDI1d6fIoFAtFt9RLaTMRlg/8w49juAStsrBgp0Dp4OdxdVbRIeKhtCUvoi/RuAhO4g==",
+          "requires": {
+            "depd": "~1.1.2",
+            "inherits": "2.0.4",
+            "setprototypeof": "1.2.0",
+            "statuses": ">= 1.5.0 < 2",
+            "toidentifier": "1.0.1"
+          }
+        },
+        "iconv-lite": {
+          "version": "0.4.24",
+          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
+          "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
+          "requires": {
+            "safer-buffer": ">= 2.1.2 < 3"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+        },
+        "mime-db": {
+          "version": "1.52.0",
+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+          "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg=="
+        },
+        "mime-types": {
+          "version": "2.1.35",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
+          "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+          "requires": {
+            "mime-db": "1.52.0"
+          }
+        },
+        "qs": {
+          "version": "6.9.7",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.9.7.tgz",
+          "integrity": "sha512-IhMFgUmuNpyRfxA90umL7ByLlgRXu6tIfKPpF5TmcfRLlLCckfP/g3IQmju6jjpu+Hh8rA+2p6A27ZSPOOHdKw=="
+        },
+        "raw-body": {
+          "version": "2.4.3",
+          "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.4.3.tgz",
+          "integrity": "sha512-UlTNLIcu0uzb4D2f4WltY6cVjLi+/jEN4lgEUj3E04tpMDpUlkBo/eSn6zou9hum2VMNpCCUone0O0WeJim07g==",
+          "requires": {
+            "bytes": "3.1.2",
+            "http-errors": "1.8.1",
+            "iconv-lite": "0.4.24",
+            "unpipe": "1.0.0"
+          }
+        },
         "setprototypeof": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
-          "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ=="
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
+          "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw=="
         },
         "statuses": {
-          "version": "1.3.1",
-          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.3.1.tgz",
-          "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4="
+          "version": "1.5.0",
+          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
+          "integrity": "sha512-OpZ3zP+jT1PI7I8nemJX4AKmAX070ZkYPVWV/AaKTJl+tXCTGyVdC1a4SL8RUQYEwk/f34ZX8UTykN68FwrqAA=="
+        },
+        "type-is": {
+          "version": "1.6.18",
+          "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+          "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+          "requires": {
+            "media-typer": "0.3.0",
+            "mime-types": "~2.1.24"
+          }
         }
       }
     },
     "finalhandler": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.0.tgz",
-      "integrity": "sha1-zgtoVbRYU+eRsvzGgARtiCU91/U=",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.2.tgz",
+      "integrity": "sha512-aAWcW57uxVNrQZqFXjITpW3sIUQmHGG3qSb9mUah9MgMC4NeWhNOlNjXEYq3HjRAvL6arUviZGGJsBg6z0zsWA==",
       "requires": {
         "debug": "2.6.9",
-        "encodeurl": "~1.0.1",
+        "encodeurl": "~1.0.2",
         "escape-html": "~1.0.3",
         "on-finished": "~2.3.0",
-        "parseurl": "~1.3.2",
-        "statuses": "~1.3.1",
+        "parseurl": "~1.3.3",
+        "statuses": "~1.5.0",
         "unpipe": "~1.0.0"
       },
       "dependencies": {
         "statuses": {
-          "version": "1.3.1",
-          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.3.1.tgz",
-          "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4="
+          "version": "1.5.0",
+          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
+          "integrity": "sha512-OpZ3zP+jT1PI7I8nemJX4AKmAX070ZkYPVWV/AaKTJl+tXCTGyVdC1a4SL8RUQYEwk/f34ZX8UTykN68FwrqAA=="
         }
       }
     },
     "forwarded": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
-      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
+      "integrity": "sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow=="
     },
     "fresh": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
-      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
+      "integrity": "sha512-zJ2mQYM18rEFOudeV4GShTGIQ7RbzA7ozbU9I/XBpm7kqgMywgmylMwXHxZJmkVoYkna9d2pVXVXPdYTP9ej8Q=="
     },
     "http-errors": {
       "version": "1.6.2",
@@ -207,9 +310,9 @@
       "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
     },
     "ipaddr.js": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.6.0.tgz",
-      "integrity": "sha1-4/o1e3c9phnybpXwSdBVxyeW+Gs="
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
+      "integrity": "sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g=="
     },
     "media-typer": {
       "version": "0.3.0",
@@ -219,17 +322,17 @@
     "merge-descriptors": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
-      "integrity": "sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E="
+      "integrity": "sha512-cCi6g3/Zr1iqQi6ySbseM1Xvooa98N0w31jzUYrXPX2xqObmFGHJ0tQ5u74H3mVh7wLouTseZyYIq39g8cNp1w=="
     },
     "methods": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz",
-      "integrity": "sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4="
+      "integrity": "sha512-iclAHeNqNm68zFtnZ0e+1L2yUIdvzNoauKU4WBA3VvH/vPFieF7qfRlwUZU+DA9P9bPXIS90ulxoUoCH23sV2w=="
     },
     "mime": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/mime/-/mime-1.4.1.tgz",
-      "integrity": "sha512-KI1+qOZu5DcW6wayYHSzR/tXKCDC5Om4s1z2QJjDULzLcmf3DvzS7oluY4HCTrc+9FiKmWUgeNLg7W3uIQvxtQ=="
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
+      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg=="
     },
     "mime-db": {
       "version": "1.33.0",
@@ -250,9 +353,9 @@
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
     "negotiator": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz",
-      "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk="
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
+      "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg=="
     },
     "on-finished": {
       "version": "2.3.0",
@@ -263,22 +366,22 @@
       }
     },
     "parseurl": {
-      "version": "1.3.2",
-      "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.2.tgz",
-      "integrity": "sha1-/CidTtiZMRlGDBViUyYs3I3mW/M="
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
+      "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ=="
     },
     "path-to-regexp": {
       "version": "0.1.7",
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
-      "integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w="
+      "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ=="
     },
     "proxy-addr": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.3.tgz",
-      "integrity": "sha512-jQTChiCJteusULxjBp8+jftSQE5Obdl3k4cnmLA6WXtK6XFuWRnvVL7aCiBqaLPM8c4ph0S4tKna8XvmIwEnXQ==",
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
+      "integrity": "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==",
       "requires": {
-        "forwarded": "~0.1.2",
-        "ipaddr.js": "1.6.0"
+        "forwarded": "0.2.0",
+        "ipaddr.js": "1.9.1"
       }
     },
     "qs": {
@@ -287,9 +390,9 @@
       "integrity": "sha512-eRzhrN1WSINYCDCbrz796z37LOe3m5tmW7RQf6oBntukAG1nmovJvhnwHHRMAfeoItc1m2Hk02WER2aQ/iqs+A=="
     },
     "range-parser": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.0.tgz",
-      "integrity": "sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4="
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
+      "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg=="
     },
     "raw-body": {
       "version": "2.3.2",
@@ -303,46 +406,78 @@
       }
     },
     "safe-buffer": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
-      "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg=="
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
+    },
+    "safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
     "send": {
-      "version": "0.16.1",
-      "resolved": "https://registry.npmjs.org/send/-/send-0.16.1.tgz",
-      "integrity": "sha512-ElCLJdJIKPk6ux/Hocwhk7NFHpI3pVm/IZOYWqUmoxcgeyM+MpxHHKhb8QmlJDX1pU6WrgaHBkVNm73Sv7uc2A==",
+      "version": "0.17.2",
+      "resolved": "https://registry.npmjs.org/send/-/send-0.17.2.tgz",
+      "integrity": "sha512-UJYB6wFSJE3G00nEivR5rgWp8c2xXvJ3OPWPhmuteU0IKj8nKbG3DrjiOmLwpnHGYWAVwA69zmTm++YG0Hmwww==",
       "requires": {
         "debug": "2.6.9",
-        "depd": "~1.1.1",
+        "depd": "~1.1.2",
         "destroy": "~1.0.4",
-        "encodeurl": "~1.0.1",
+        "encodeurl": "~1.0.2",
         "escape-html": "~1.0.3",
         "etag": "~1.8.1",
         "fresh": "0.5.2",
-        "http-errors": "~1.6.2",
-        "mime": "1.4.1",
-        "ms": "2.0.0",
+        "http-errors": "1.8.1",
+        "mime": "1.6.0",
+        "ms": "2.1.3",
         "on-finished": "~2.3.0",
-        "range-parser": "~1.2.0",
-        "statuses": "~1.3.1"
+        "range-parser": "~1.2.1",
+        "statuses": "~1.5.0"
       },
       "dependencies": {
+        "http-errors": {
+          "version": "1.8.1",
+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.8.1.tgz",
+          "integrity": "sha512-Kpk9Sm7NmI+RHhnj6OIWDI1d6fIoFAtFt9RLaTMRlg/8w49juAStsrBgp0Dp4OdxdVbRIeKhtCUvoi/RuAhO4g==",
+          "requires": {
+            "depd": "~1.1.2",
+            "inherits": "2.0.4",
+            "setprototypeof": "1.2.0",
+            "statuses": ">= 1.5.0 < 2",
+            "toidentifier": "1.0.1"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+        },
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+        },
+        "setprototypeof": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
+          "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw=="
+        },
         "statuses": {
-          "version": "1.3.1",
-          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.3.1.tgz",
-          "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4="
+          "version": "1.5.0",
+          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
+          "integrity": "sha512-OpZ3zP+jT1PI7I8nemJX4AKmAX070ZkYPVWV/AaKTJl+tXCTGyVdC1a4SL8RUQYEwk/f34ZX8UTykN68FwrqAA=="
         }
       }
     },
     "serve-static": {
-      "version": "1.13.1",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.1.tgz",
-      "integrity": "sha512-hSMUZrsPa/I09VYFJwa627JJkNs0NrfL1Uzuup+GqHfToR2KcsXFymXSV90hoyw3M+msjFuQly+YzIH/q0MGlQ==",
+      "version": "1.14.2",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.2.tgz",
+      "integrity": "sha512-+TMNA9AFxUEGuC0z2mevogSnn9MXKb4fa7ngeRMJaaGv8vTwnIEkKi+QGvPt33HSnf8pRS+WGM0EbMtCJLKMBQ==",
       "requires": {
-        "encodeurl": "~1.0.1",
+        "encodeurl": "~1.0.2",
         "escape-html": "~1.0.3",
-        "parseurl": "~1.3.2",
-        "send": "0.16.1"
+        "parseurl": "~1.3.3",
+        "send": "0.17.2"
       }
     },
     "setprototypeof": {
@@ -355,6 +490,11 @@
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
       "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew=="
     },
+    "toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="
+    },
     "type-is": {
       "version": "1.6.16",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
@@ -372,12 +512,12 @@
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
-      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+      "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA=="
     },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
-      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg=="
     }
   }
 }
diff --git a/tests/server/package.json b/tests/server/package.json
index 8f41dd6..2e19d79 100644
--- a/tests/server/package.json
+++ b/tests/server/package.json
@@ -10,6 +10,6 @@
   "license": "MIT",
   "dependencies": {
     "body-parser": "^1.18.2",
-    "express": "^4.16.2"
+    "express": "^4.17.3"
   }
 }