type_erased abstract and brackets tests separated.
type_erased mix of values test separated.
removed obsolete test code from type_erased.cpp.
type_erased test separated the template parameter conversion test.
type_erased split out single-pass.
type_erased unit test separated bidirectional traversal.
type_erased test separated the forward traversal.
type_erased_bidrectional.cpp formatting.
type_erased random_access adapter separated.
type_erased unit test reduce dependencies of the recently split type_erased tests.
Merge branch 'hotfix/type_erased_test_split' into develop