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The other options mix in method names from other frameworks (Selenium-style findElement\u002Fclick\u002Fverify, Detox-style waitFor\u002Ftap\u002Fexpect) that Espresso does not use.",{"id":146,"topic":9,"difficulty":147,"body":148,"options":149,"correct_key":139,"explanation":158},"019ff83e-92d6-75cb-9c93-b0035b3ed64a",2,"Espresso instrumented tests run using AndroidJUnitRunner. What does it mean that Espresso operates \"in-process\"?",[150,152,154,156],{"key":133,"text":151},"The test code runs in a completely separate OS process from the app and communicates with it over IPC.",{"key":136,"text":153},"The test code runs inside the Android system server, isolated from any specific app process.",{"key":139,"text":155},"The test code and the app under test execute within the same process.",{"key":142,"text":157},"The test code executes on a remote test lab machine while the app runs locally on the device.","\"In-process\" means the test and the app share one process, so Espresso can call into the app's UI thread directly and synchronously — that's the definition. The other options all describe an out-of-process or infrastructure-level model, which is not what Espresso does.",{"id":160,"topic":9,"difficulty":147,"body":161,"options":162,"correct_key":139,"explanation":171},"019ff83e-92d7-7148-8c53-67ce1b6600b1","By default, before executing the next ViewAction, what does Espresso wait for?",[163,165,167,169],{"key":133,"text":164},"A fixed 500ms delay inserted automatically before every action",{"key":136,"text":166},"Any network request the app happens to be making, regardless of which thread issued it",{"key":139,"text":168},"The main thread's message queue and any registered AsyncTask pool becoming idle",{"key":142,"text":170},"The device's accessibility service to report that the screen content is stable","Espresso's default synchronization tracks the main thread's message queue and the AsyncTask thread pool; it does not add a fixed delay, does not track arbitrary background-thread network calls on its own, and does not depend on the accessibility service the way UI Automator-style tools do.",{"id":173,"topic":9,"difficulty":147,"body":174,"options":175,"correct_key":136,"explanation":184},"019ff83e-92d7-7bdd-81b3-55cd28a3f470","An Espresso test throws NoMatchingViewException on onView(withId(R.id.submit)). What does this most directly indicate?",[176,178,180,182],{"key":133,"text":177},"The matched view exists but is not currently clickable.",{"key":136,"text":179},"No view in the currently displayed hierarchy matches the given matcher.",{"key":139,"text":181},"More than one view in the hierarchy matches the given matcher.",{"key":142,"text":183},"The app process crashed before the instrumentation could attach.","NoMatchingViewException specifically means zero matches were found in the current hierarchy. \"Not clickable\" would surface as a PerformException, and multiple matches raise AmbiguousViewMatcherException, not NoMatchingViewException.",{"id":186,"topic":9,"difficulty":147,"body":187,"options":188,"correct_key":133,"explanation":197},"019ff83e-92d8-74d5-892b-bb53842f7480","An Espresso action throws a PerformException reporting the target view is not displayed. What does this tell you?",[189,191,193,195],{"key":133,"text":190},"The matched view exists in the hierarchy, but Espresso could not carry out the requested action on it.",{"key":136,"text":192},"The matcher failed to find any view at all matching the given criteria.",{"key":139,"text":194},"The test runner failed to install the test APK on the target device.",{"key":142,"text":196},"Espresso detected the view but refuses to interact with any view that has an accessibility label.","A PerformException on an already-matched view means the view was found but the action itself could not be completed — commonly because the view isn't sufficiently displayed. \"No match at all\" is NoMatchingViewException, not this.",{"id":199,"topic":9,"difficulty":200,"body":201,"options":202,"correct_key":136,"explanation":211},"019ff83e-92d8-7ce1-a204-01e03ad40489",3,"What is the basic purpose of registering a custom IdlingResource with Espresso?",[203,205,207,209],{"key":133,"text":204},"To speed up test execution by skipping Espresso's default idle checks entirely.",{"key":136,"text":206},"To give Espresso an additional busy\u002Fidle signal for work its default synchronization doesn't track.",{"key":139,"text":208},"To generate the accessibility tree that Espresso needs before it can locate any view.",{"key":142,"text":210},"To capture screenshots automatically whenever the UI becomes idle.","A custom IdlingResource extends what Espresso considers before proceeding — it adds a signal, it doesn't remove Espresso's existing checks, generate accessibility trees, or take 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