entityMap|blocks|key|9tong|text|在Android+Studio上，单击src->+new->+Directory+Name+it+test，然后右键单击test->+new->+Folder->Java+Folder+Name+it+java|type|unstyled|depth|inlineStyleRanges|entityRanges|data|9ruvp|你最终会得到这样的结构：|ep1ig|src/test/java|code-block|syntax|javascript|9p1me|如果您没有JUnit依赖项，可以添加它们：|a3u4e|dependencies+{
+++++testCompile+'junit:junit:4.12'
}^0|0|0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|N|9|@]|A|@]|B|$]]|$2|C|4|D|6|7|8|O|9|@]|A|@]|B|$]]|$2|E|4|F|6|G|8|P|9|@]|A|@]|B|$H|I]]|$2|J|4|K|6|7|8|Q|9|@]|A|@]|B|$]]|$2|L|4|M|6|G|8|R|9|@]|A|@]|B|$H|I]]]]

On Android Studio click on src->new->Directory 
Name it test then right click on test-> new-> Folder->Java Folder 
Name it java

You'll end up with this structure :

<pre><code> src/test/java
</code></pre>

In case you don't have the JUnit dependencies you can add them :

<pre><code>dependencies {
 testCompile 'junit:junit:4.12'
}
</code></pre>

entityMap|0|type|IMAGE|mutability|IMMUTABLE|data|imageUrl|https://ask.qcloudimg.com/http-save/actteam/c1edf088398721564d829b6f05f8d8ef.png|imageAlt|1|https://ask.qcloudimg.com/http-save/actteam/2074a68bc928dfc4581e16a4d0a2259f.png|2|https://ask.qcloudimg.com/http-save/actteam/9edaefd863adb23f042f9b092c47d09f.png|blocks|key|5j295|text|以下是添加您的|unstyled|depth|inlineStyleRanges|entityRanges|3gvto|测试文件夹|4h6uc|打开|4ktse|Android+Studio+3.1.2|8r3p4|42c1r|Macbook|12f5g|：|532ba|右键单击|9cce4|应用|b06c7|>|20iam|新的|797g5|702ah|文件夹|ah99u|3nce9|Java文件夹|c3bd1|7h1dl|a29mo|?|atomic|offset|length|a74tn|gvvk|​|32mfq|在Configure+Component窗口中选中|99b5k|更改文件夹位置|4htmh|复选框|8dbq8|5ch7k|64pov|an050|d85n3|将位置更改为|e7v2d|源/测试|9sega|2mejh|2o6up|dgdqq|84u7v|ele3f|你的|c1c11|测试|fdvjd|文件夹将在以下位置创建|b1abs|src|639td|文件夹，即上一个文件夹所在的位置|13r00|jusp|文件夹是^0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|1|0|0|0|0|0|0|0|0|0|1|1|0|0|0|0|0|0|0|0|1|2|0|0|0|0|0|0|0|0|0^^$0|$1|$2|3|4|5|6|$7|8|9|-4]]|A|$2|3|4|5|6|$7|B|9|-4]]|C|$2|3|4|5|6|$7|D|9|-4]]]|E|@$F|G|H|I|2|J|K|2I|L|@]|M|@]|6|$]]|$F|N|H|O|2|J|K|2J|L|@]|M|@]|6|$]]|$F|P|H|Q|2|J|K|2K|L|@]|M|@]|6|$]]|$F|R|H|S|2|J|K|2L|L|@]|M|@]|6|$]]|$F|T|H|Q|2|J|K|2M|L|@]|M|@]|6|$]]|$F|U|H|V|2|J|K|2N|L|@]|M|@]|6|$]]|$F|W|H|X|2|J|K|2O|L|@]|M|@]|6|$]]|$F|Y|H|Z|2|J|K|2P|L|@]|M|@]|6|$]]|$F|10|H|11|2|J|K|2Q|L|@]|M|@]|6|$]]|$F|12|H|13|2|J|K|2R|L|@]|M|@]|6|$]]|$F|14|H|15|2|J|K|2S|L|@]|M|@]|6|$]]|$F|16|H|13|2|J|K|2T|L|@]|M|@]|6|$]]|$F|17|H|18|2|J|K|2U|L|@]|M|@]|6|$]]|$F|19|H|13|2|J|K|2V|L|@]|M|@]|6|$]]|$F|1A|H|1B|2|J|K|2W|L|@]|M|@]|6|$]]|$F|1C|H|-4|2|J|K|2X|L|@]|M|@]|6|$]]|$F|1D|H|-4|2|J|K|2Y|L|@]|M|@]|6|$]]|$F|1E|H|1F|2|1G|K|2Z|L|@]|M|@$1H|30|1I|31|F|32]]|6|$]]|$F|1J|H|-4|2|J|K|33|L|@]|M|@]|6|$]]|$F|1K|H|1L|2|J|K|34|L|@]|M|@]|6|$]]|$F|1M|H|1N|2|J|K|35|L|@]|M|@]|6|$]]|$F|1O|H|1P|2|J|K|36|L|@]|M|@]|6|$]]|$F|1Q|H|1R|2|J|K|37|L|@]|M|@]|6|$]]|$F|1S|H|-4|2|J|K|38|L|@]|M|@]|6|$]]|$F|1T|H|1F|2|1G|K|39|L|@]|M|@$1H|3A|1I|3B|F|3C]]|6|$]]|$F|1U|H|-4|2|J|K|3D|L|@]|M|@]|6|$]]|$F|1V|H|1L|2|J|K|3E|L|@]|M|@]|6|$]]|$F|1W|H|1X|2|J|K|3F|L|@]|M|@]|6|$]]|$F|1Y|H|1Z|2|J|K|3G|L|@]|M|@]|6|$]]|$F|20|H|-4|2|J|K|3H|L|@]|M|@]|6|$]]|$F|21|H|-4|2|J|K|3I|L|@]|M|@]|6|$]]|$F|22|H|1F|2|1G|K|3J|L|@]|M|@$1H|3K|1I|3L|F|3M]]|6|$]]|$F|23|H|-4|2|J|K|3N|L|@]|M|@]|6|$]]|$F|24|H|1L|2|J|K|3O|L|@]|M|@]|6|$]]|$F|25|H|26|2|J|K|3P|L|@]|M|@]|6|$]]|$F|27|H|28|2|J|K|3Q|L|@]|M|@]|6|$]]|$F|29|H|2A|2|J|K|3R|L|@]|M|@]|6|$]]|$F|2B|H|2C|2|J|K|3S|L|@]|M|@]|6|$]]|$F|2D|H|2E|2|J|K|3T|L|@]|M|@]|6|$]]|$F|2F|H|28|2|J|K|3U|L|@]|M|@]|6|$]]|$F|2G|H|2H|2|J|K|3V|L|@]|M|@]|6|$]]]]

Below are the steps to add your test folders on Android Studio 3.1.2 on Macbook : 

<ol>
<li>Right click on app > New > Folder > Java Folder
<a href="https://i.stack.imgur.com/PHdC5.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/PHdC5.png" alt="enter image description here"></a></li>
<li>On Configure Component window check Change Folder Location checkbox
<a href="https://i.stack.imgur.com/wSNl3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/wSNl3.png" alt="enter image description here"></a></li>
<li>Change the location to src/test
<a href="https://i.stack.imgur.com/pfOi9.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/pfOi9.png" alt="enter image description here"></a></li>
<li>Your test folder will be created under src folder i.e. same place where previous test folder was</li>
</ol>

entityMap|0|type|IMAGE|mutability|IMMUTABLE|data|imageUrl|https://ask.qcloudimg.com/http-save/actteam/ffe01d3c4c32eca66c8712d40193e6d6.png|imageAlt|blocks|key|6c4l5|text|对于那些已经创建了包含测试类的文件夹的用户，可以将其目录标记为"Test+Sources+Root“。只需在目录上单击鼠标右键，然后|unstyled|depth|inlineStyleRanges|entityRanges|co2a4|将目录标记为/Test+Sources根目录|7s8c|..。|d2ou8|​|b0aad|aqmcv|?|atomic|offset|length|4pe7i|d1p0u^0|0|0|0|0|0|0|1|0|0|0^^$0|$1|$2|3|4|5|6|$7|8|9|-4]]]|A|@$B|C|D|E|2|F|G|X|H|@]|I|@]|6|$]]|$B|J|D|K|2|F|G|Y|H|@]|I|@]|6|$]]|$B|L|D|M|2|F|G|Z|H|@]|I|@]|6|$]]|$B|N|D|O|2|F|G|10|H|@]|I|@]|6|$]]|$B|P|D|-4|2|F|G|11|H|@]|I|@]|6|$]]|$B|Q|D|R|2|S|G|12|H|@]|I|@$T|13|U|14|B|15]]|6|$]]|$B|V|D|-4|2|F|G|16|H|@]|I|@]|6|$]]|$B|W|D|O|2|F|G|17|H|@]|I|@]|6|$]]]]

For those who have already created folders with test classes, you can mark its directory as &quot;Test Sources Root&quot;. Just click Right-Mouse-Button on the directory, then Mark Directory as/Test Sources Root.
<a href="https://i.stack.imgur.com/hF3JC.png" rel="noreferrer"><img src="https://i.stack.imgur.com/hF3JC.png" alt="AndroidStudio Test Sources Root" /></a>

entityMap|0|type|IMAGE|mutability|IMMUTABLE|data|imageUrl|https://ask.qcloudimg.com/http-save/actteam/15ceba109d83dc3e0b77931eadcf01ed.png|imageAlt|1|https://ask.qcloudimg.com/http-save/actteam/35458ca1c23f26060d13541c22742791.png|2|https://ask.qcloudimg.com/http-save/actteam/a0266db6b9ecbcc56fcd68fab549c62d.png|3|https://ask.qcloudimg.com/http-save/actteam/8ad5da24972a6ec5eb67e472e71fe4c0.png|blocks|key|5mjj2|text|切换到项目模式|unstyled|depth|inlineStyleRanges|entityRanges|bl08f|​|fh5i9|4j404|?|atomic|offset|length|e2b3r|lu9p|343pu|右键单击:模块->新建->目录|70btr|1pp21|cd512|3a883|27u4d|fger6|在弹出菜单上，选择|9l8mm|fk2su|bo482|18s8e|b553r|11io9|现在您将能够看到已经创建了测试目录|tub2|b7b5o|ebko9|dqhcl|592no|a8l3u|您现在可以使用|bstm7|从目标类生成测试，它将自动放在正确的dir+%2B包中。^0|0|0|0|0|1|0|0|0|0|0|0|0|0|1|1|0|0|0|0|0|0|0|1|2|0|0|0|0|0|0|0|1|3|0|0|0|0^^$0|$1|$2|3|4|5|6|$7|8|9|-4]]|A|$2|3|4|5|6|$7|B|9|-4]]|C|$2|3|4|5|6|$7|D|9|-4]]|E|$2|3|4|5|6|$7|F|9|-4]]]|G|@$H|I|J|K|2|L|M|1O|N|@]|O|@]|6|$]]|$H|P|J|Q|2|L|M|1P|N|@]|O|@]|6|$]]|$H|R|J|-4|2|L|M|1Q|N|@]|O|@]|6|$]]|$H|S|J|T|2|U|M|1R|N|@]|O|@$V|1S|W|1T|H|1U]]|6|$]]|$H|X|J|-4|2|L|M|1V|N|@]|O|@]|6|$]]|$H|Y|J|Q|2|L|M|1W|N|@]|O|@]|6|$]]|$H|Z|J|10|2|L|M|1X|N|@]|O|@]|6|$]]|$H|11|J|Q|2|L|M|1Y|N|@]|O|@]|6|$]]|$H|12|J|-4|2|L|M|1Z|N|@]|O|@]|6|$]]|$H|13|J|T|2|U|M|20|N|@]|O|@$V|21|W|22|H|23]]|6|$]]|$H|14|J|-4|2|L|M|24|N|@]|O|@]|6|$]]|$H|15|J|Q|2|L|M|25|N|@]|O|@]|6|$]]|$H|16|J|17|2|L|M|26|N|@]|O|@]|6|$]]|$H|18|J|Q|2|L|M|27|N|@]|O|@]|6|$]]|$H|19|J|-4|2|L|M|28|N|@]|O|@]|6|$]]|$H|1A|J|T|2|U|M|29|N|@]|O|@$V|2A|W|2B|H|2C]]|6|$]]|$H|1B|J|-4|2|L|M|2D|N|@]|O|@]|6|$]]|$H|1C|J|Q|2|L|M|2E|N|@]|O|@]|6|$]]|$H|1D|J|1E|2|L|M|2F|N|@]|O|@]|6|$]]|$H|1F|J|Q|2|L|M|2G|N|@]|O|@]|6|$]]|$H|1G|J|-4|2|L|M|2H|N|@]|O|@]|6|$]]|$H|1H|J|T|2|U|M|2I|N|@]|O|@$V|2J|W|2K|H|2L]]|6|$]]|$H|1I|J|-4|2|L|M|2M|N|@]|O|@]|6|$]]|$H|1J|J|Q|2|L|M|2N|N|@]|O|@]|6|$]]|$H|1K|J|1L|2|L|M|2O|N|@]|O|@]|6|$]]|$H|1M|J|1N|2|L|M|2P|N|@]|O|@]|6|$]]]]

<ol>
<li>Switch to Project mode</li>
</ol>
<a href="https://i.stack.imgur.com/yyYkG.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/yyYkG.png" alt="enter image description here" /></a>
<ol start="2">
<li>Right click: module -&gt; New -&gt; Directory</li>
</ol>
<a href="https://i.stack.imgur.com/Ezc50.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Ezc50.png" alt="enter image description here" /></a>
<ol start="3">
<li>On the pop-up menu, select <code>src/test/java</code></li>
</ol>
<a href="https://i.stack.imgur.com/wv39N.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/wv39N.png" alt="enter image description here" /></a>
<ol start="4">
<li>Now you will be able to see the test dir has been created</li>
</ol>
<a href="https://i.stack.imgur.com/hSau3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/hSau3.png" alt="enter image description here" /></a>
You will now be able to use <code>OPTION + T</code> to generate tests from intended classes, and it will be automatically placed in the correct dir + package

I am working on a project in which the test folders were removed and I want to do a unit test. 
Is there a way to create the test folders again for this project?

How can I add test folders in Android Studio

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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 我正在做一个项目，其中的测试文件夹被删除了，我想做一个单元测试。有没有办法为这个项目重新创建测试文件夹？

问如何在Android Studio中添加测试文件夹
EN

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