Rename api controller test files

diff --git a/test/controllers/api/capabilities_test.rb b/test/controllers/api/capabilities_controller_test.rb
similarity index 100%
rename from test/controllers/api/capabilities_test.rb
rename to test/controllers/api/capabilities_controller_test.rb

diff --git a/test/controllers/api/tracepoints_test.rb b/test/controllers/api/tracepoints_controller_test.rb
similarity index 100%
rename from test/controllers/api/tracepoints_test.rb
rename to test/controllers/api/tracepoints_controller_test.rb