Fix: react-native init command error (#2377)

Author: Kwonkunkun

test/test.ts

@@ -308,13 +308,13 @@ class RNProjectManager extends ProjectManager {
         }
         mkdirp.sync(projectDirectory);
 
-        return TestUtil.getProcessOutput("react-native init " + appName, { cwd: projectDirectory, timeout: 30 * 60 * 1000 })
-            .then((e) => { console.log(`"react-native init ${appName}" success. cwd=${projectDirectory}`); return e; })
+        return TestUtil.getProcessOutput("npx react-native init " + appName, { cwd: projectDirectory, timeout: 30 * 60 * 1000 })
+            .then((e) => { console.log(`"npx react-native init ${appName}" success. cwd=${projectDirectory}`); return e; })
             .then(this.copyTemplate.bind(this, templatePath, projectDirectory))
             .then<void>(TestUtil.getProcessOutput.bind(undefined, TestConfig.thisPluginInstallString, { cwd: path.join(projectDirectory, TestConfig.TestAppName) }))
             .then(() => { return null; })
             .catch((error) => {
-                console.log(`"react-native init ${appName} failed". cwd=${projectDirectory}`, error);
+                console.log(`"npx react-native init ${appName} failed". cwd=${projectDirectory}`, error);
                 throw new Error(error);
             });
     }