With some libc impls (ie: Xcode 13.1), sprintf is marked as deprecated
and causes the build with `-Werror` to fail. Switch the `sprintf` usage
in test_nvs.cpp to use `snprintf` to allow builds to complete without
warning.
* nvs_page_test runs into timeout in CI. According to log,
test ran run around halfway, so increasing from 10 to 90 seconds.
* Also increased timeout of nvs_host_test, just to be sure
This fixes the issue that "idf.py partition-table" had to be run
manually in order for the partition table to be generated, when
building for linux target.
Host tests of nvs_flash eligible to run in Linux implementation of nvs flash were migrated. Remaining test cases
were left in original folder. Migrated test cases use CMake instead of make.
Cody P Schafer