```lang=bash
> echo '{"ids": [1]}' | arc --conduit-uri='http://phabricator.local' call-conduit differential.getrevisiontransactions{"error":null,"errorMessage":null,"response":{"1":[{"revisionID":"1","transactionPHID":"PHID-XACT-DREV-3ky27dskqgm7olm","transactionType":"core:comment","oldValue":null,"newValue":null,"comments":"test","authorPHID":"PHID-USER-t2codh7fptz7kambtqja","dateCreated":"1432872808"},{"revisionID":"1","transactionPHID":"PHID-XACT-DREV-vatzg7h2wgqtgvf","transactionType":"core:customfield","oldValue":null,"newValue":"Added some unit tests.","comments":null,"authorPHID":"PHID-USER-t2codh7fptz7kambtqja","dateCreated":"1432872777"},{"revisionID":"1","transactionPHID":"PHID-XACT-DREV-cu4o5tmapyjm7hy","transactionType":"core:customfield","oldValue":null,"newValue":"Fixes T8042. Changes the way that `PhutilUnitTestEngine` discovers unit tests. In particular, if you only modify a single test case then there is no reason to run all other test cases within the same directory (which is the current behavior).","comments":null,"authorPHID":"PHID-USER-t2codh7fptz7kambtqja","dateCreated":"1432872777"},{"revisionID":"1","transactionPHID":"PHID-XACT-DREV-t4comgio46ldswu","transactionType":"core:customfield","oldValue":"","newValue":"Allow PhutilUnitTestEngine to execute tests from a single path","comments":null,"authorPHID":"PHID-USER-t2codh7fptz7kambtqja","dateCreated":"1432872777"},{"revisionID":"1","transactionPHID":"PHID-XACT-DREV-r7it7bs5wemd5o3","transactionType":"differential:update","oldValue":null,"newValue":"PHID-DIFF-uv2jmbypa3imjeggh3hl","comments":null,"authorPHID":"PHID-USER-t2codh7fptz7kambtqja","dateCreated":"1432872777"}]}}
```