Is there any sample for multiple modules app with espresso and dagger android

Scenario
- app module contains the app component with its modules for inject sub modules dependencies
- module1 contains activity with its own espresso test
- module2 contains activity with its own espresso test
- module1 start activity from module2
- module2 throw
```
java.lang.IllegalArgumentException: No injector factory bound for Class
```

该 issue 描述了一个 app module 以及 module1 和 module2，其中 LoginActivity 由于没有绑定 injector factory 而失败。首先明确所需结果是示例还是修复，然后检查多模块 Espresso 和 Dagger 设置。完成的标准是提供一个已记录文档或可运行的示例，以解决所报告的失败。

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