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Run Single Test
tests should be run with rake to load the test environment
run all tests
$ rake test
run only one unit test
$ rake test:units TEST=test/unit/xy_test.rb
run tests done wrong and right ============================== run one test. WRONG. Doesn't load test environment. "require test_helper" fails!
$ ruby test/unit/glosentry_test.rb
run only one test. WRONG. runs test three times
$ rake test TEST=test/unit/glosentry_test.rb
run only the unit tests with rake. RIGHT
$ rake test:units
run only one unit test with rake. RIGHT. (same as obove)
$ rake test:units TEST=test/unit/xy_test.rb
running one test without rake but with explicit $-loadpath works too here "ruby -I directory" specifies the $loadpath.
$ ruby -I test test/unit/xy_test.rb
