bump int test timeout from 5s to 10s, add test-integration-parts which is more reliable

package.json

@@ -35,7 +35,8 @@
     "test-lib-view": "NODE_ENV=test-lib yarn run start",
     "test-loki-view": "NODE_ENV=test-loki yarn run start",
     "test-electron": "yarn grunt test",
-    "test-integration": "ELECTRON_DISABLE_SANDBOX=1 mocha --exit --timeout 5000 integration_test/integration_test.js",
+    "test-integration": "ELECTRON_DISABLE_SANDBOX=1 mocha --exit --timeout 10000 integration_test/integration_test.js",
+    "test-integration-parts": "ELECTRON_DISABLE_SANDBOX=1 mocha --exit --timeout 10000 integration_test/integration_test.js --grep 'registration' && ELECTRON_DISABLE_SANDBOX=1 mocha --exit --timeout 10000 integration_test/integration_test.js --grep 'openGroup' && ELECTRON_DISABLE_SANDBOX=1 mocha --exit --timeout 10000 integration_test/integration_test.js --grep 'addFriends' && ELECTRON_DISABLE_SANDBOX=1 mocha --exit --timeout 10000 integration_test/integration_test.js --grep 'linkDevice' && ELECTRON_DISABLE_SANDBOX=1 mocha --exit --timeout 10000 integration_test/integration_test.js --grep 'closedGroup'",
     "test-node": "mocha --recursive --exit test/app test/modules ts/test libloki/test/node",
     "eslint": "eslint --cache .",
     "eslint-fix": "eslint --fix .",