[build][ci] use different mocha.opts file in CI

tests/e2e/init.js

@@ -1,6 +1,12 @@
 const detox = require('detox');
 const config = require('../package.json').detox;
 
+if (process.env.CIRCLECI) {
+  config['runner-config'] = 'e2e/mocha.ci.opts';
+} else {
+  config['runner-config'] = 'e2e/mocha.local.opts';
+}
+
 before(async () => {
   await detox.init(config);
   // needs to be called before any usage of firestore
@@ -12,6 +18,6 @@ after(async () => {
   console.log('Cleaning up...');
   await TestHelpers.firestore.cleanup();
   console.log('Firestore cleaned up...');
-  await detox.cleanup();
+  // await detox.cleanup(); // TODO hangs - most likely jet internals interfering
   console.log('Detox cleaned up...');
 });

tests/e2e/mocha.ci.opts

@@ -0,0 +1,9 @@
+--recursive
+--timeout 120000
+--reporter xunit
+--reporter-options output=~/reports/ios-tests.xml.
+--slow 1200
+--bail
+--exit
+--require jet/platform/node
+--require ./helpers