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How to test CPU usage on mobile devices?

There are various tools available in the market like google play or app store from where you can install apps like CPU Monitor, Usemon, CPU Stats, CPU-Z etc these are an advanced tool which records historical information about processes running on your device.

What is Charles Proxy?

Charles Proxy is a web debugging proxy tool that can be used to monitor and tamper with web traffic. It can be used to debug web applications, inspect HTTP requests and responses, and even simulate slow internet connections.

How can you send text input to a focused element?

This can be done by simulating key presses on the focused element. One way is to perform “actions” on the web driver object: new Actions(webDriver).sendKeys(“some text”).perform(); An alternative way is to switch to the active element first, and send keys to it directly: webDriver.switchTo().activeElement().sendKeys(“some text”);

Explain what does @Test(invocationCount=?) and @Test(threadPoolSize=?) indicate.

@Test(invocationCount=?) is a parameter that indicates the number of times this method should be invoked.@Test(threadPoolSize=?) is used for executing suites in parallel. Each suite can be run in a separate thread. To specify how many times @Test method should be invoked from different threads, you can use the attribute threadPoolSize along with invocationCount.