Fixed some errors in other_declarations_location_test, removed checks
for TypeError when passing invalid arguments to a method in
private_symbol_test.
Bug:
Change-Id: I82030f1189a7a370d15bef4fd284d92b0b2de5bb
Reviewed-on: https://dart-review.googlesource.com/3791
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Ben Konyi