chore: Set test directory via config rather than flag

Author: smockle

jest.config.js

@@ -4,5 +4,6 @@ module.exports = {
   cacheDirectory: '.test',
   collectCoverage: true,
   collectCoverageFrom: ['src/**/*.{js,jsx,ts,tsx}', '!src/stories/**'],
-  setupFilesAfterEnv: ['<rootDir>/src/utils/test-matchers.tsx', '<rootDir>/src/utils/test-deprecations.tsx']
+  setupFilesAfterEnv: ['<rootDir>/src/utils/test-matchers.tsx', '<rootDir>/src/utils/test-deprecations.tsx'],
+  testRegex: '/src/__tests__/.*\\.[jt]sx?$'
 }

package.json

@@ -17,8 +17,7 @@
     "copy-esm-types": "copyfiles -u 1 \"./lib/**/*.d.ts\" ./lib-esm",
     "lint": "eslint '**/*.{js,ts,tsx}'",
     "lint:fix": "eslint '**/*.{js,ts,tsx}' --fix",
-    "test": "jest -- src",
-    "update-snapshots": "jest -u -- src",
+    "test": "jest",
     "watch": "jest --watch --no-coverage",
     "playroom:start": "playroom start",
     "playroom:build": "playroom build",