diff --git a/src/frontend/jest.config.js b/src/frontend/jest.config.js
index f4f7bb2..66a5f67 100644
--- a/src/frontend/jest.config.js
+++ b/src/frontend/jest.config.js
@@ -6,6 +6,11 @@ export default {
     '\\.(css|less)$': 'identity-obj-proxy',
   },
   setupFilesAfterEnv: [
+    "@testing-library/jest-dom",
     "<rootDir>/setup-jest.ts"
-  ]
+  ],
+  testEnvironmentOptions: {
+    // https://github.com/mswjs/msw/issues/1786
+    customExportConditions: [''],
+  }
 };
\ No newline at end of file
diff --git a/src/frontend/package-lock.json b/src/frontend/package-lock.json
index 1d68a66..de6448d 100644
--- a/src/frontend/package-lock.json
+++ b/src/frontend/package-lock.json
@@ -44,7 +44,9 @@
         "identity-obj-proxy": "3.0.0",
         "jest": "29.7.0",
         "jest-environment-jsdom": "29.7.0",
-        "wait-on": "7.2.0"
+        "msw": "2.1.7",
+        "wait-on": "7.2.0",
+        "whatwg-fetch": "^3.6.20"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -1904,6 +1906,24 @@
       "integrity": "sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==",
       "dev": true
     },
+    "node_modules/@bundled-es-modules/cookie": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@bundled-es-modules/cookie/-/cookie-2.0.0.tgz",
+      "integrity": "sha512-Or6YHg/kamKHpxULAdSqhGqnWFneIXu1NKvvfBBzKGwpVsYuFIQ5aBPHDnnoR3ghW1nvSkALd+EF9iMtY7Vjxw==",
+      "dev": true,
+      "dependencies": {
+        "cookie": "^0.5.0"
+      }
+    },
+    "node_modules/@bundled-es-modules/statuses": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@bundled-es-modules/statuses/-/statuses-1.0.1.tgz",
+      "integrity": "sha512-yn7BklA5acgcBr+7w064fGV+SGIFySjCKpqjcWgBAIfrAkY+4GQTJJHQMeT3V/sgz23VTEVV8TtOmkvJAhFVfg==",
+      "dev": true,
+      "dependencies": {
+        "statuses": "^2.0.1"
+      }
+    },
     "node_modules/@colors/colors": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/@colors/colors/-/colors-1.5.0.tgz",
@@ -3231,6 +3251,32 @@
         "@jridgewell/sourcemap-codec": "^1.4.14"
       }
     },
+    "node_modules/@mswjs/cookies": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@mswjs/cookies/-/cookies-1.1.0.tgz",
+      "integrity": "sha512-0ZcCVQxifZmhwNBoQIrystCb+2sWBY2Zw8lpfJBPCHGCA/HWqehITeCRVIv4VMy8MPlaHo2w2pTHFV2pFfqKPw==",
+      "dev": true,
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@mswjs/interceptors": {
+      "version": "0.25.16",
+      "resolved": "https://registry.npmjs.org/@mswjs/interceptors/-/interceptors-0.25.16.tgz",
+      "integrity": "sha512-8QC8JyKztvoGAdPgyZy49c9vSHHAZjHagwl4RY9E8carULk8ym3iTaiawrT1YoLF/qb449h48f71XDPgkUSOUg==",
+      "dev": true,
+      "dependencies": {
+        "@open-draft/deferred-promise": "^2.2.0",
+        "@open-draft/logger": "^0.3.0",
+        "@open-draft/until": "^2.0.0",
+        "is-node-process": "^1.2.0",
+        "outvariant": "^1.2.1",
+        "strict-event-emitter": "^0.5.1"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -3266,6 +3312,28 @@
         "node": ">= 8"
       }
     },
+    "node_modules/@open-draft/deferred-promise": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/@open-draft/deferred-promise/-/deferred-promise-2.2.0.tgz",
+      "integrity": "sha512-CecwLWx3rhxVQF6V4bAgPS5t+So2sTbPgAzafKkVizyi7tlwpcFpdFqq+wqF2OwNBmqFuu6tOyouTuxgpMfzmA==",
+      "dev": true
+    },
+    "node_modules/@open-draft/logger": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/@open-draft/logger/-/logger-0.3.0.tgz",
+      "integrity": "sha512-X2g45fzhxH238HKO4xbSr7+wBS8Fvw6ixhTDuvLd5mqh6bJJCFAPwU9mPDxbcrRtfxv4u5IHCEH77BmxvXmmxQ==",
+      "dev": true,
+      "dependencies": {
+        "is-node-process": "^1.2.0",
+        "outvariant": "^1.4.0"
+      }
+    },
+    "node_modules/@open-draft/until": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/@open-draft/until/-/until-2.1.0.tgz",
+      "integrity": "sha512-U69T3ItWHvLwGg5eJ0n3I62nWuE6ilHlmz7zM0npLBRvPRd7e6NYmg54vvRtP5mZG7kZqZCFVdsTWo7BPtBujg==",
+      "dev": true
+    },
     "node_modules/@reduxjs/toolkit": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/@reduxjs/toolkit/-/toolkit-2.1.0.tgz",
@@ -3809,6 +3877,12 @@
         "@babel/types": "^7.20.7"
       }
     },
+    "node_modules/@types/cookie": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.6.0.tgz",
+      "integrity": "sha512-4Kh9a6B2bQciAhf7FSuMRRkUWecJgJu9nPnx3yzpsfXX/c50REIqpHY4C82bXP90qrLtXtkDxTZosYO3UpOwlA==",
+      "dev": true
+    },
     "node_modules/@types/estree": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.5.tgz",
@@ -3940,6 +4014,12 @@
       "integrity": "sha512-9aEbYZ3TbYMznPdcdr3SmIrLXwC/AKZXQeCf9Pgao5CKb8CyHuEX5jzWPTkvregvhRJHcpRO6BFoGW9ycaOkYw==",
       "dev": true
     },
+    "node_modules/@types/statuses": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/@types/statuses/-/statuses-2.0.4.tgz",
+      "integrity": "sha512-eqNDvZsCNY49OAXB0Firg/Sc2BgoWsntsLUdybGFOhAfCD6QJ2n9HXUIHGqt5qjrxmMv4wS8WLAw43ZkKcJ8Pw==",
+      "dev": true
+    },
     "node_modules/@types/tough-cookie": {
       "version": "4.0.5",
       "resolved": "https://registry.npmjs.org/@types/tough-cookie/-/tough-cookie-4.0.5.tgz",
@@ -4949,6 +5029,26 @@
         "tweetnacl": "^0.14.3"
       }
     },
+    "node_modules/binary-extensions": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
+      "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/bl": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
+      "integrity": "sha512-1W07cM9gS6DcLperZfFSj+bWLtaPGSOHWhPiGzXmvVJbRLdG82sH/Kn8EtW1VqWVA54AKf2h5k5BbnIbwF3h6w==",
+      "dev": true,
+      "dependencies": {
+        "buffer": "^5.5.0",
+        "inherits": "^2.0.4",
+        "readable-stream": "^3.4.0"
+      }
+    },
     "node_modules/blob-util": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/blob-util/-/blob-util-2.0.2.tgz",
@@ -5150,6 +5250,12 @@
         "node": ">=10"
       }
     },
+    "node_modules/chardet": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.7.0.tgz",
+      "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==",
+      "dev": true
+    },
     "node_modules/check-more-types": {
       "version": "2.24.0",
       "resolved": "https://registry.npmjs.org/check-more-types/-/check-more-types-2.24.0.tgz",
@@ -5159,6 +5265,42 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/chokidar": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.6.0.tgz",
+      "integrity": "sha512-7VT13fmjotKpGipCW9JEQAusEPE+Ei8nl6/g4FBAmIm0GOOLMua9NDDo/DWp0ZAxCr3cPq5ZpBqmPAQgDda2Pw==",
+      "dev": true,
+      "dependencies": {
+        "anymatch": "~3.1.2",
+        "braces": "~3.0.2",
+        "glob-parent": "~5.1.2",
+        "is-binary-path": "~2.1.0",
+        "is-glob": "~4.0.1",
+        "normalize-path": "~3.0.0",
+        "readdirp": "~3.6.0"
+      },
+      "engines": {
+        "node": ">= 8.10.0"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      },
+      "optionalDependencies": {
+        "fsevents": "~2.3.2"
+      }
+    },
+    "node_modules/chokidar/node_modules/glob-parent": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.2.tgz",
+      "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
+      "dev": true,
+      "dependencies": {
+        "is-glob": "^4.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/ci-info": {
       "version": "3.9.0",
       "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-3.9.0.tgz",
@@ -5201,6 +5343,18 @@
         "node": ">=8"
       }
     },
+    "node_modules/cli-spinners": {
+      "version": "2.9.2",
+      "resolved": "https://registry.npmjs.org/cli-spinners/-/cli-spinners-2.9.2.tgz",
+      "integrity": "sha512-ywqV+5MmyL4E7ybXgKys4DugZbX0FC6LnwrhjuykIjnK9k8OQacQ7axGKnjDXWNhns0xot3bZI5h55H8yo9cJg==",
+      "dev": true,
+      "engines": {
+        "node": ">=6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/cli-table3": {
       "version": "0.6.3",
       "resolved": "https://registry.npmjs.org/cli-table3/-/cli-table3-0.6.3.tgz",
@@ -5232,6 +5386,15 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/cli-width": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-3.0.0.tgz",
+      "integrity": "sha512-FxqpkPPwu1HjuN93Omfm4h8uIanXofW0RxVEW3k5RKx+mJJYSthzNhp32Kzxxy3YAEZ/Dc/EWN1vZRY0+kOhbw==",
+      "dev": true,
+      "engines": {
+        "node": ">= 10"
+      }
+    },
     "node_modules/cliui": {
       "version": "8.0.1",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-8.0.1.tgz",
@@ -5246,6 +5409,15 @@
         "node": ">=12"
       }
     },
+    "node_modules/clone": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
+      "integrity": "sha512-JQHZ2QMW6l3aH/j6xCqQThY/9OH4D/9ls34cgkUBiEeocRTU04tHfKPBsUK1PqZCUQM7GiA0IIXJSuXHI64Kbg==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/co": {
       "version": "4.6.0",
       "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
@@ -5321,6 +5493,15 @@
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-2.0.0.tgz",
       "integrity": "sha512-Kvp459HrV2FEJ1CAsi1Ku+MY3kasH19TFykTz2xWmMeq6bk2NU3XXvfJ+Q61m0xktWwt+1HSYf3JZsTms3aRJg=="
     },
+    "node_modules/cookie": {
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.5.0.tgz",
+      "integrity": "sha512-YZ3GUyn/o8gfKJlnlX7g7xq4gyO6OSuhGPKaaGssGB2qgDUS0gPgtTvoyZLTt9Ab6dC4hfc9dV5arkvc/OCmrw==",
+      "dev": true,
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/core-js-compat": {
       "version": "3.35.0",
       "resolved": "https://registry.npmjs.org/core-js-compat/-/core-js-compat-3.35.0.tgz",
@@ -5823,6 +6004,18 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/defaults": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/defaults/-/defaults-1.0.4.tgz",
+      "integrity": "sha512-eFuaLoy/Rxalv2kr+lqMlUnrDWV+3j4pljOIJgLIhI058IQfWJ7vXhyEIHu+HtC738klGALYxOKDO0bQP3tg8A==",
+      "dev": true,
+      "dependencies": {
+        "clone": "^1.0.2"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/define-data-property": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/define-data-property/-/define-data-property-1.1.1.tgz",
@@ -6810,6 +7003,44 @@
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       "dev": true
     },
+    "node_modules/external-editor": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-3.1.0.tgz",
+      "integrity": "sha512-hMQ4CX1p1izmuLYyZqLMO/qGNw10wSv9QDCPfzXfyFrOaCSSoRfqE1Kf1s5an66J5JZC62NewG+mK49jOCtQew==",
+      "dev": true,
+      "dependencies": {
+        "chardet": "^0.7.0",
+        "iconv-lite": "^0.4.24",
+        "tmp": "^0.0.33"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
+    "node_modules/external-editor/node_modules/iconv-lite": {
+      "version": "0.4.24",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
+      "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
+      "dev": true,
+      "dependencies": {
+        "safer-buffer": ">= 2.1.2 < 3"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/external-editor/node_modules/tmp": {
+      "version": "0.0.33",
+      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
+      "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
+      "dev": true,
+      "dependencies": {
+        "os-tmpdir": "~1.0.2"
+      },
+      "engines": {
+        "node": ">=0.6.0"
+      }
+    },
     "node_modules/extract-zip": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/extract-zip/-/extract-zip-2.0.1.tgz",
@@ -7337,6 +7568,15 @@
       "integrity": "sha512-EtKwoO6kxCL9WO5xipiHTZlSzBm7WLT627TqC/uVRd0HKmq8NXyebnNYxDoBi7wt8eTWrUrKXCOVaFq9x1kgag==",
       "dev": true
     },
+    "node_modules/graphql": {
+      "version": "16.8.1",
+      "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.8.1.tgz",
+      "integrity": "sha512-59LZHPdGZVh695Ud9lRzPBVTtlX9ZCV150Er2W43ro37wVof0ctenSaskPPjN7lVTIN8mSZt8PHUNKZuNQUuxw==",
+      "dev": true,
+      "engines": {
+        "node": "^12.22.0 || ^14.16.0 || ^16.0.0 || >=17.0.0"
+      }
+    },
     "node_modules/harmony-reflect": {
       "version": "1.6.2",
       "resolved": "https://registry.npmjs.org/harmony-reflect/-/harmony-reflect-1.6.2.tgz",
@@ -7423,6 +7663,12 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/headers-polyfill": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/headers-polyfill/-/headers-polyfill-4.0.2.tgz",
+      "integrity": "sha512-EWGTfnTqAO2L/j5HZgoM/3z82L7necsJ0pO9Tp0X1wil3PDLrkypTBRgVO2ExehEEvUycejZD3FuRaXpZZc3kw==",
+      "dev": true
+    },
     "node_modules/html-encoding-sniffer": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/html-encoding-sniffer/-/html-encoding-sniffer-3.0.0.tgz",
@@ -7632,6 +7878,116 @@
         "node": ">=10"
       }
     },
+    "node_modules/inquirer": {
+      "version": "8.2.6",
+      "resolved": "https://registry.npmjs.org/inquirer/-/inquirer-8.2.6.tgz",
+      "integrity": "sha512-M1WuAmb7pn9zdFRtQYk26ZBoY043Sse0wVDdk4Bppr+JOXyQYybdtvK+l9wUibhtjdjvtoiNy8tk+EgsYIUqKg==",
+      "dev": true,
+      "dependencies": {
+        "ansi-escapes": "^4.2.1",
+        "chalk": "^4.1.1",
+        "cli-cursor": "^3.1.0",
+        "cli-width": "^3.0.0",
+        "external-editor": "^3.0.3",
+        "figures": "^3.0.0",
+        "lodash": "^4.17.21",
+        "mute-stream": "0.0.8",
+        "ora": "^5.4.1",
+        "run-async": "^2.4.0",
+        "rxjs": "^7.5.5",
+        "string-width": "^4.1.0",
+        "strip-ansi": "^6.0.0",
+        "through": "^2.3.6",
+        "wrap-ansi": "^6.0.1"
+      },
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
+    "node_modules/inquirer/node_modules/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,
+      "dependencies": {
+        "color-convert": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
+      }
+    },
+    "node_modules/inquirer/node_modules/chalk": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
+      "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==",
+      "dev": true,
+      "dependencies": {
+        "ansi-styles": "^4.1.0",
+        "supports-color": "^7.1.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/chalk?sponsor=1"
+      }
+    },
+    "node_modules/inquirer/node_modules/color-convert": {
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+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/strict-event-emitter/-/strict-event-emitter-0.5.1.tgz",
+      "integrity": "sha512-vMgjE/GGEPEFnhFub6pa4FmJBRBVOLpIII2hvCZ8Kzb7K0hlHo7mQv6xYrBvCL2LtAIBwFUK8wvuJgTVSQ5MFQ==",
+      "dev": true
+    },
+    "node_modules/string_decoder": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+      "dev": true,
+      "dependencies": {
+        "safe-buffer": "~5.2.0"
+      }
+    },
     "node_modules/string-length": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/string-length/-/string-length-4.0.2.tgz",
@@ -12443,6 +13132,12 @@
         "react": "^16.8.0 || ^17.0.0 || ^18.0.0"
       }
     },
+    "node_modules/util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
+      "dev": true
+    },
     "node_modules/uuid": {
       "version": "8.3.2",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
@@ -12611,6 +13306,15 @@
         "makeerror": "1.0.12"
       }
     },
+    "node_modules/wcwidth": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/wcwidth/-/wcwidth-1.0.1.tgz",
+      "integrity": "sha512-XHPEwS0q6TaxcvG85+8EYkbiCux2XtWG2mkc47Ng2A77BQu9+DqIOJldST4HgPkuea7dvKSj5VgX3P1d4rW8Tg==",
+      "dev": true,
+      "dependencies": {
+        "defaults": "^1.0.3"
+      }
+    },
     "node_modules/webidl-conversions": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
@@ -12632,6 +13336,12 @@
         "node": ">=12"
       }
     },
+    "node_modules/whatwg-fetch": {
+      "version": "3.6.20",
+      "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-3.6.20.tgz",
+      "integrity": "sha512-EqhiFU6daOA8kpjOWTL0olhVOF3i7OrFzSYiGsEMB8GcXS+RrzauAERX65xMeNWVqxA6HXH2m69Z9LaKKdisfg==",
+      "dev": true
+    },
     "node_modules/whatwg-mimetype": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-3.0.0.tgz",
diff --git a/src/frontend/package.json b/src/frontend/package.json
index c7b22b0..2f9c02e 100644
--- a/src/frontend/package.json
+++ b/src/frontend/package.json
@@ -39,7 +39,9 @@
     "identity-obj-proxy": "3.0.0",
     "jest": "29.7.0",
     "jest-environment-jsdom": "29.7.0",
-    "wait-on": "7.2.0"
+    "msw": "2.1.7",
+    "wait-on": "7.2.0",
+    "whatwg-fetch": "3.6.20"
   },
   "scripts": {
     "start": "vite",
diff --git a/src/frontend/setup-jest.ts b/src/frontend/setup-jest.ts
index 9047710..1c541f9 100644
--- a/src/frontend/setup-jest.ts
+++ b/src/frontend/setup-jest.ts
@@ -1,3 +1,4 @@
+import 'whatwg-fetch';
 import '@testing-library/jest-dom';
 
 jest.mock("./src/FSA", () => {
@@ -5,7 +6,6 @@ jest.mock("./src/FSA", () => {
     const neverResolves = () => new Promise( () => {} );
     return {
         ...originalModule,
-        fetchLocalAuthoritiesJson: jest.fn().mockImplementation(neverResolves),
         fetchEstablishmentsJson: jest.fn().mockImplementation(neverResolves)
     };
 });
diff --git a/src/frontend/src/__tests__/App.test.tsx b/src/frontend/src/__tests__/App.test.tsx
index 32d009e..dc8743f 100644
--- a/src/frontend/src/__tests__/App.test.tsx
+++ b/src/frontend/src/__tests__/App.test.tsx
@@ -1,7 +1,9 @@
-import { render, screen, waitFor, within } from '@testing-library/react';
+import { render, screen, within } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import { App } from '../App';
-import { Establishments, LocalAuthority, fetchEstablishmentsJson, fetchLocalAuthoritiesJson } from '../FSA';
+import { Establishments, LocalAuthority, fetchEstablishmentsJson } from '../FSA';
+import { setupServer } from 'msw/node';
+import { http, HttpResponse } from 'msw';
 
 function checkBoilerplate() {
   // banner
@@ -24,8 +26,23 @@ function checkBoilerplate() {
   });
 }
 
+// Mock the local authorities API
+const localAuthorities: LocalAuthority[] = [
+  { name: "one", localAuthorityId: 243433 },
+  { name: "two", localAuthorityId: 3823423 }
+];
+const server = setupServer(
+  http.get('/fsa/authorities', () => {
+    return HttpResponse.json({ localAuthorities });
+  }),
+);
+
 describe("App", () => {
 
+  beforeAll(() => server.listen());
+  afterEach(() => server.resetHandlers());
+  afterAll(() => server.close());
+
   it('is run with correct node version', () => {
     expect(process.versions.node).toEqual("20.10.0");
   });
@@ -39,15 +56,7 @@ describe("App", () => {
   it('shows rating if click on establishment', async () => {
     
     const user = userEvent.setup();
-    
-    // Mock the local authorities API
-    const localAuthorities: LocalAuthority[] = [
-      { name: "one", localAuthorityId: 243433 },
-      { name: "two", localAuthorityId: 3823423 }
-    ];
-    const fetchLocalAuthoritiesJsonMock = jest.mocked(fetchLocalAuthoritiesJson);
-    fetchLocalAuthoritiesJsonMock.mockResolvedValue(localAuthorities);
-    
+        
     // Mock the establishements API.
     const establishmentsJson : Establishments = {
       ratingCounts: [
@@ -63,9 +72,10 @@ describe("App", () => {
 
     // Loading
     checkBoilerplate();
-    await waitFor(() => {
-      expect(fetchLocalAuthoritiesJsonMock).toHaveBeenCalled();
-    });
+    // TODO
+    // await waitFor(() => {
+    //   expect(fetchLocalAuthoritiesJsonMock).toHaveBeenCalled();
+    // });
 
     // Authorities list loaded.
     const dropdown = screen.getByTestId("authorities_select");