Fix Mockito initMocks deprecation warnings
This method is replaced by openMocks(testClass).close().
The close method should however only be called after completed usage
of testClass.
If using static-mocks or custom MockMakers, using this method might
cause misbehavior of mocks injected into the test class.
https://www.javadoc.io/doc/org.mockito/mockito-core/3.4.0/org/mockito/MockitoAnnotations.html
Signed-off-by: guillaume.lambert <guillaume.lambert@orange.com>
Change-Id: Ic7090902319a172606383b5352d4275172de9219