Added README.md docs.

Author: nowells

readme.md

@@ -875,6 +875,10 @@ Plan how many assertion there are in the test. The test will fail if the actual
 
 End the test. Only works with `test.cb()`.
 
+###### `t.log(message)`
+
+Print a log message contextually alongside the test result instead of immediately streaming the message to stdout like `console.log`.
+
 ## Assertions
 
 Assertions are mixed into the [execution object](#t) provided to each test implementation: