Fix.

node_modules/@jest/core/tsconfig.json

@@ -1,27 +0,0 @@
-{
-  "extends": "../../tsconfig.json",
-  "compilerOptions": {
-    "rootDir": "src",
-    "outDir": "build"
-  },
-  "references": [
-    {"path": "../jest-changed-files"},
-    {"path": "../jest-config"},
-    {"path": "../jest-console"},
-    {"path": "../jest-haste-map"},
-    {"path": "../jest-message-util"},
-    {"path": "../jest-regex-util"},
-    {"path": "../jest-reporters"},
-    {"path": "../jest-resolve-dependencies"},
-    {"path": "../jest-runner"},
-    {"path": "../jest-runtime"},
-    {"path": "../jest-snapshot"},
-    {"path": "../jest-test-result"},
-    {"path": "../jest-test-sequencer"},
-    {"path": "../jest-types"},
-    {"path": "../jest-transform"},
-    {"path": "../jest-util"},
-    {"path": "../jest-validate"},
-    {"path": "../jest-watcher"}
-  ]
-}