[SSSD] [PATCH] TESTS: fix compiler warnings

[Pavel Reichl]

Hello, please see trivial patch attached which fixes compiler warnings:
> ../src/tests/cmocka/test_sysdb_views.c: In function 
> ‘test_sysdb_add_overrides_to_object_local’:
> ../src/tests/cmocka/test_sysdb_views.c:307:33: error: assignment 
> discards ‘const’ qualifier from pointer target type 
> [-Werror=discarded-qualifiers]
>      test_ctx->domain->view_name = "LOCAL";
>                                  ^
> ../src/tests/cmocka/test_sysdb_views.c:288:33: error: unused variable 
> ‘el’ [-Werror=unused-variable]
>      struct ldb_message_element *el;
>                                  ^
> ../src/tests/cmocka/test_sysdb_views.c: In function 
> ‘test_sysdb_add_overrides_to_object_missing_overridedn’:
> ../src/tests/cmocka/test_sysdb_views.c:340:33: error: assignment 
> discards ‘const’ qualifier from pointer target type 
> [-Werror=discarded-qualifiers]
>      test_ctx->domain->view_name = "NON-LOCAL";
>                                  ^
> ../src/tests/cmocka/test_sysdb_views.c:317:33: error: unused variable 
> ‘el’ [-Werror=unused-variable]
>      struct ldb_message_element *el;

Thanks!