Review and Optimization testing

[gonojuarez]

Review all the files

• Fix Junit Testing who failed
• Create Espresso testing
• Review Candidates Testing classes
• Remove old clases
• Clean classes which code is a disaster

[gonojuarez]

Remove Classes

• Custom_Grupo
• BackUpClasses

Custom grupo
this class can replace by the 'GroupView' class from the pictograms library
BackUpClasses
all these classes are deprecated and they don't use that, in order to make an optimization at the application is necessary to delete these

[gonojuarez]

Candidate Classes

• DatosDeUso
• ConfigurarIdioma
• GroupManagerClass
• [ ]

[gonojuarez]

The test coverage is around 6% of the classes.
At this moment we need to review all classes and upgrade all code coverage from the application

The automatic testing with test-project and google Playstore is failing because they don't find different elements such as the login button