Use workaround from...

Use workaround from https://github.com/facebook/react-native/issues/19859#issuecomment-407748189 for babel issues

.babelrc

+{
+  "presets": ["react-native"],
+  "plugins": ["@babel/plugin-proposal-object-rest-spread", "@babel/transform-regenerator"]
+}
\ No newline at end of file

babel.config.js

-module.exports = function (api) {
-  api.cache(true);
-  const presets = ['react-native'];
-  const plugins = ['@babel/plugin-proposal-object-rest-spread', '@babel/transform-regenerator'];
-  return { presets, plugins };
-};

jest/preprocessor.js

+/* eslint-disable global-require,import/no-extraneous-dependencies */
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @flow
+ */
+
+/* eslint-env node */
+
+
+const { transformSync: babelTransformSync } = require('@babel/core');
+/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
+ * found when Flow v0.54 was deployed. To see the error delete this comment and
+ * run Flow. */
+const babelRegisterOnly = require('metro-babel-register');
+/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
+ * found when Flow v0.54 was deployed. To see the error delete this comment and
+ * run Flow. */
+const createCacheKeyFunction = require('fbjs-scripts/jest/createCacheKeyFunction');
+const generate = require('@babel/generator').default;
+
+const nodeFiles = RegExp(
+  [
+    '/local-cli/',
+    '/metro(?:-[^/]*)?/', // metro, metro-core, metro-source-map, metro-etc
+  ].join('|'),
+);
+const nodeOptions = babelRegisterOnly.config([nodeFiles]);
+
+babelRegisterOnly([]);
+
+/* $FlowFixMe(site=react_native_oss) */
+const transformer = require('metro/src/reactNativeTransformer');
+
+module.exports = {
+  process(src /* : string */, file /* : string */) {
+    if (nodeFiles.test(file)) {
+      // node specific transforms only
+      return babelTransformSync(
+        src,
+        Object.assign(
+          { filename: file },
+          { sourceType: 'script', ...nodeOptions, ast: false },
+        ),
+      ).code;
+    }
+
+    const { ast } = transformer.transform({
+      filename: file,
+      localPath: file,
+      options: {
+        ast: true, // needed for open source (?) https://github.com/facebook/react-native/commit/f8d6b97140cffe8d18b2558f94570c8d1b410d5c#r28647044
+        dev: true,
+        inlineRequires: true,
+        platform: '',
+        projectRoot: '',
+        retainLines: true,
+        sourceType: 'unambiguous', // b7 required. detects module vs script mode
+      },
+      src,
+      plugins: [
+        [require('@babel/plugin-transform-block-scoping')],
+        // the flow strip types plugin must go BEFORE class properties!
+        // there'll be a test case that fails if you don't.
+        [require('@babel/plugin-transform-flow-strip-types')],
+        [
+          require('@babel/plugin-proposal-class-properties'),
+          // use `this.foo = bar` instead of `this.defineProperty('foo', ...)`
+          { loose: true },
+        ],
+        [require('@babel/plugin-transform-computed-properties')],
+        [require('@babel/plugin-transform-destructuring')],
+        [require('@babel/plugin-transform-function-name')],
+        [require('@babel/plugin-transform-literals')],
+        [require('@babel/plugin-transform-parameters')],
+        [require('@babel/plugin-transform-shorthand-properties')],
+        [require('@babel/plugin-transform-react-jsx')],
+        [require('@babel/plugin-transform-regenerator')],
+        [require('@babel/plugin-transform-sticky-regex')],
+        [require('@babel/plugin-transform-unicode-regex')],
+        [
+          require('@babel/plugin-transform-modules-commonjs'),
+          { strict: false, allowTopLevelThis: true },
+        ],
+        [require('@babel/plugin-transform-classes')],
+        [require('@babel/plugin-transform-arrow-functions')],
+        [require('@babel/plugin-transform-spread')],
+        [require('@babel/plugin-proposal-object-rest-spread')],
+        [
+          require('@babel/plugin-transform-template-literals'),
+          { loose: true }, // dont 'a'.concat('b'), just use 'a'+'b'
+        ],
+        [require('@babel/plugin-transform-exponentiation-operator')],
+        [require('@babel/plugin-transform-object-assign')],
+        [require('@babel/plugin-transform-for-of'), { loose: true }],
+        [require('@babel/plugin-transform-react-display-name')],
+        [require('@babel/plugin-transform-react-jsx-source')],
+        // used to hoist jest mocks
+        [require('babel-plugin-jest-hoist')],
+      ],
+    });
+
+    return generate(
+      ast,
+      {
+        code: true,
+        comments: false,
+        compact: false,
+        filename: file,
+        retainLines: true,
+        sourceFileName: file,
+        sourceMaps: true,
+      },
+      src,
+    ).code;
+  },
+
+  getCacheKey: createCacheKeyFunction([
+    __filename,
+    require.resolve('metro/src/reactNativeTransformer'),
+    require.resolve('@babel/core/package.json'),
+  ]),
+};

package.json

@@ -30,7 +30,7 @@
       ".yarn/"
     ],
     "transform": {
-      "^.+\\.js$": "babel-jest"
+      "^.+\\.js$": "<rootDir>/jest/preprocessor.js"
     },
     "moduleNameMapper": {
       "react-i18next": "<rootDir>/__mocks__/react-i18next-mock.js"
@@ -56,6 +56,7 @@
     "redux-saga": "^0.16.0"
   },
   "devDependencies": {
+    "@babel/plugin-transform-runtime": "^7.0.0-beta.56",
     "babel-core": "7.0.0-bridge.0",
     "babel-eslint": "^9.0.0-beta.3",
     "babel-jest": "^23.4.2",
@@ -68,7 +69,6 @@
     "eslint-plugin-react-native": "^3.2.1",
     "i18next-scanner": "^2.6.3",
     "jest": "^23.4.2",
-    "react-native-cli": "^2.0.1",
     "react-native-git-upgrade": "^0.2.7",
     "react-test-renderer": "^16.3.0-alpha.1",
     "redux-mock-store": "^1.5.1",