test: ignore fixtures (#10156)

jest.config.ts

@@ -24,7 +24,7 @@ const config: InitialOptionsTsJest = {
       statements: 100,
     },
   },
-  modulePathIgnorePatterns: ['<rootDir>/dist/'],
+  modulePathIgnorePatterns: ['<rootDir>/dist/', '/__fixtures__/'],
   reporters: ['default', './tmp/tools/jest-gh-reporter.js'],
   setupFilesAfterEnv: ['<rootDir>/test/globals.ts'],
   snapshotSerializers: ['<rootDir>/test/newline-snapshot-serializer.ts'],