android/src/META-INF/android-junit.xml

<!--
  ~ Copyright (C) 2016 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
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  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
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<idea-plugin>
  <extensions defaultExtensionNs="com.intellij">
    <runConfigurationProducer implementation="com.android.tools.idea.testartifacts.junit.TestDirectoryAndroidConfigurationProducer"/>
    <runConfigurationProducer implementation="com.android.tools.idea.testartifacts.junit.TestPackageAndroidConfigurationProducer"/>
    <runConfigurationProducer implementation="com.android.tools.idea.testartifacts.junit.TestClassAndroidConfigurationProducer"/>
    <runConfigurationProducer implementation="com.android.tools.idea.testartifacts.junit.TestMethodAndroidConfigurationProducer"/>
    <runConfigurationProducer implementation="com.android.tools.idea.testartifacts.junit.TestPatternConfigurationProducer"/>
    <configurationType implementation="com.android.tools.idea.testartifacts.junit.AndroidJUnitConfigurationType"/>
  </extensions>

  <actions>
    <group>
      <action class="com.android.tools.idea.testartifacts.junit.AndroidJUnitExcludeFromRunAction" text="Exclude from suite" id="androidExcludeFromSuite"/>
      <separator/>
      <add-to-group relative-to-action="openAssertEqualsDiff" anchor="after" group-id="TestTreePopupMenu"/>
    </group>
    <group>
      <action class="com.android.tools.idea.testartifacts.junit.AndroidJUnitAddToTestsPatternAction" id="androidAddToISuite" text="Add to Android JUnit pattern suite"/>
      <add-to-group anchor="last" group-id="RunContextGroup"/>
    </group>
  </actions>
</idea-plugin>