[Tests] avoid npm run env bug in npm 7

Fixed by npm/cli#2655

install-relevant-react.sh

@@ -5,9 +5,9 @@ REACT="${REACT:-${1:-16}}"
 echo "installing React $REACT"
 
 if [ "$REACT" = "0.13" ]; then
-  npm run env -- 13
+  npm run env: -- 13
 elif [ "$REACT" = "0.14" ]; then
-  npm run env -- 14
+  npm run env: -- 14
 else
-  npm run env -- "${REACT}"
+  npm run env: -- "${REACT}"
 fi

package.json

@@ -29,7 +29,7 @@
     "test:karma": "karma start",
     "test:all": "npm run react 13 && npm run test:only && npm run react 14 && npm run test:only && npm run react 15 && npm run test:only && npm run react 15.4 && npm run test:only && npm run react 15.5 && npm run test:only && npm run react 16 && npm run test:only && npm run react 16.1 && npm run test:only && npm run react 16.2 && npm run test:only && npm run react 16.3 && npm run test:only && npm run react 16.4 && npm run test:only && npm run react 16.5 && npm run test:only && npm run react 16.8 && npm run test:only",
     "react": "sh install-relevant-react.sh",
-    "env": "babel-node ./env.js",
+    "env:": "babel-node ./env.js",
     "docs:clean": "rimraf _book",
     "docs:prepare": "gitbook install",
     "docs:build": "npm run docs:prepare && gitbook build",
@@ -100,7 +100,6 @@
     "semver": "^6.3.0",
     "webpack": "^2.7.0"
   },
-  "dependencies": {},
   "greenkeeper": {
     "ignore": [
       "mocha",