Build Error

[Ko-kn3t]

I got the following Build Errors, I am not sure should I skip or not. It generated a APK file (APKKiller) though, it could not be opened.

> Task :app:compileDebugJavaWithJavac
D:\File Integrity Check\APKKiller-master\APKKiller-master\app\src\main\java\com\kuro\app\MainActivity.java:41: warning: [deprecation] GET_SIGNATURES in PackageManager has been deprecated
            String sig1 = md5(pm.getPackageInfo(packageName, PackageManager.GET_SIGNATURES).signatures[0].toByteArray());
                                                                           ^
D:\File Integrity Check\APKKiller-master\APKKiller-master\app\src\main\java\com\kuro\app\MainActivity.java:41: warning: [deprecation] signatures in PackageInfo has been deprecated
            String sig1 = md5(pm.getPackageInfo(packageName, PackageManager.GET_SIGNATURES).signatures[0].toByteArray());
                                                                                           ^
D:\File Integrity Check\APKKiller-master\APKKiller-master\app\src\main\java\com\kuro\app\MainActivity.java:54: warning: [deprecation] getInstallerPackageName(String) in PackageManager has been deprecated
            apkinstaller1.setText(apkinstaller1.getText() + pm.getInstallerPackageName(packageName));
                                                              ^
3 warnings

> Task :app:dexBuilderDebug
> Task :app:bundleDebugClassesToCompileJar
> Task :app:mergeDexDebug

> Task :app:compileDebugAndroidTestJavaWithJavac FAILED
D:\File Integrity Check\APKKiller-master\APKKiller-master\app\src\androidTest\java\com\kuro\ExampleInstrumentedTest.java:5: error: package androidx.test.platform.app does not exist
import androidx.test.platform.app.InstrumentationRegistry;
                                 ^
D:\File Integrity Check\APKKiller-master\APKKiller-master\app\src\androidTest\java\com\kuro\ExampleInstrumentedTest.java:6: error: package androidx.test.ext.junit.runners does not exist
import androidx.test.ext.junit.runners.AndroidJUnit4;
                                      ^
D:\File Integrity Check\APKKiller-master\APKKiller-master\app\src\androidTest\java\com\kuro\ExampleInstrumentedTest.java:8: error: package org.junit does not exist
import org.junit.Test;
                ^
D:\File Integrity Check\APKKiller-master\APKKiller-master\app\src\androidTest\java\com\kuro\ExampleInstrumentedTest.java:9: error: package org.junit.runner does not exist
import org.junit.runner.RunWith;
                       ^
D:\File Integrity Check\APKKiller-master\APKKiller-master\app\src\androidTest\java\com\kuro\ExampleInstrumentedTest.java:11: error: package org.junit does not exist
import static org.junit.Assert.*;
                       ^
D:\File Integrity Check\APKKiller-master\APKKiller-master\app\src\androidTest\java\com\kuro\ExampleInstrumentedTest.java:18: error: cannot find symbol
@RunWith(AndroidJUnit4.class)
 ^
  symbol: class RunWith
D:\File Integrity Check\APKKiller-master\APKKiller-master\app\src\androidTest\java\com\kuro\ExampleInstrumentedTest.java:18: error: cannot find symbol
@RunWith(AndroidJUnit4.class)
         ^
  symbol: class AndroidJUnit4
D:\File Integrity Check\APKKiller-master\APKKiller-master\app\src\androidTest\java\com\kuro\ExampleInstrumentedTest.java:20: error: cannot find symbol
    @Test
     ^
  symbol:   class Test
  location: class ExampleInstrumentedTest
D:\File Integrity Check\APKKiller-master\APKKiller-master\app\src\androidTest\java\com\kuro\ExampleInstrumentedTest.java:23: error: cannot find symbol
        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
                             ^
  symbol:   variable InstrumentationRegistry
  location: class ExampleInstrumentedTest
D:\File Integrity Check\APKKiller-master\APKKiller-master\app\src\androidTest\java\com\kuro\ExampleInstrumentedTest.java:24: error: cannot find symbol
        assertEquals("com.kuro", appContext.getPackageName());
        ^
  symbol:   method assertEquals(String,String)
  location: class ExampleInstrumentedTest
10 errors

> Task :app:packageDebug
> Task :app:createDebugApkListingFileRedirect
> Task :app:assembleDebug

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:compileDebugAndroidTestJavaWithJavac'.
> Compilation failed; see the compiler error output for details.

* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 22s
61 actionable tasks: 61 executed