Annotate scenario classes with @Ignore and add corresponding tests.

Some scenario classes are running in our functional test suite since
they're not @Ignore-d like the other files. Instead, ignore the base
test classes and write functional tests from them instead.

Test: atest
Flag: EXEMPT test refactoring
Fixes: 430275061
Change-Id: I3484a0a9b7e73154f6f0c960805ef66a0a976f2f