Move 3rd-party tests into languages (#18746)

CONTRIBUTING.md

@@ -75,7 +75,7 @@ In addition to Prettier's formatting options, can contain the `errors` property
 
 The implementation of `runFormatTest` can be found in [`tests/config/run-format-test.js`](tests/config/run-format-test.js).
 
-`tests/format/flow-repo/` contains the Flow test suite and is not supposed to be edited by hand. To update it, clone the Flow repo next to the Prettier repo and run: `node scripts/sync-flow-tests.cjs ../flow/tests/`.
+`tests/format/flow/flow-repo/` contains the Flow test suite and is not supposed to be edited by hand. To update it, clone the Flow repo next to the Prettier repo and run: `node scripts/sync-flow-tests.cjs ../flow/tests/`.
 
 ## Debugging
 

scripts/sync-flow-tests.cjs

@@ -7,7 +7,7 @@ const fastGlob = require("fast-glob");
 
 const DEFAULT_SPEC_CONTENT = "runFormatTest(import.meta);\n";
 const SPEC_FILE_NAME = "format.test.js";
-const FLOW_TESTS_DIR = path.join(__dirname, "../tests/format/flow-repo");
+const FLOW_TESTS_DIR = path.join(__dirname, "../tests/format/flow/flow-repo");
 
 function tryParse(file, content) {
   // Keep this sync with `/src/language-js/parse/flow.js`

tests/config/failed-format-tests.js

@@ -90,7 +90,7 @@ const disabledTests = new Map(
 
       // Not supported
       "flow/comments/",
-      "flow-repo/union_new/",
+      "flow/flow-repo/union_new/",
 
       // Different result
       "flow/hook/comments-before-arrow.js",

tests/config/utilities/check-parsers.js

@@ -30,14 +30,6 @@ const categoryParsers = new Map([
       extensions: [".js", ".cjs", ".mjs"],
     },
   ],
-  [
-    "flow-repo",
-    {
-      parsers: ["flow", "babel-flow"],
-      verifyParsers: ["flow", "babel-flow", "typescript", "babel-ts"],
-      extensions: [".js", ".cjs", ".mjs"],
-    },
-  ],
   [
     "graphql",
     { parsers: ["graphql"], verifyParsers: [], extensions: [".graphql"] },
@@ -140,10 +132,6 @@ const categoryParsers = new Map([
       extensions: [".scss"],
     },
   ],
-  [
-    "stylefmt-repo",
-    { parsers: ["css", "scss"], verifyParsers: [], extensions: [".css"] },
-  ],
   [
     "typescript",
     {