fix: babel config glob patterns now match (#18)

Author: Adam Butterworth

lib/presets.js

@@ -14,11 +14,11 @@ module.exports = {
     configFile: getConfigFilepath('jest.config.js'),
   },
   babel: {
-    globSearchPattern: '(babel.config.js|.babelrc*)',
+    globSearchPattern: '+(babel.config.js|.babelrc*)',
     configFile: getConfigFilepath('babel.config.js'),
   },
   'babel-preserve-modules': {
-    globSearchPattern: '(babel.config.js|.babelrc*)',
+    globSearchPattern: '+(babel.config.js|.babelrc*)',
     configFile: getConfigFilepath('babel-preserve-modules.config.js'),
   },
   'webpack-prod': {