Bump to 2.9.0rc2 and add config for test --debug. (#2)

Author: stuhood

README.md

@@ -70,12 +70,13 @@ Try these out in this repo!
 ./pants check src/jvm/org/pantsbuild/example/lib/ExampleLib.java  # Compile a file and its deps.
 ```
 
-## Run tests
+## Run and debug tests
 
 ```
 ./pants test ::  # Run all tests in the repository.
 ./pants test tests/jvm/org/pantsbuild/example/lib:  # Run all the tests in this directory.
 ./pants test tests/jvm/org/pantsbuild/example/lib/ExampleLibSpec.scala -- -z hello  # Run one test method.
+./pants test --debug tests/jvm/org/pantsbuild/example/lib/ExampleLibSpec.scala  # Debug one file.
 ```
 
 ## Create a binary file

pants.toml

@@ -2,7 +2,7 @@
 # Licensed under the Apache License, Version 2.0 (see LICENSE).
 
 [GLOBAL]
-pants_version = "2.9.0rc1"
+pants_version = "2.9.0rc2"
 backend_packages = [
   # This repository demonstrates a mix of Java and Scala, and so both backends are enabled. But each
   # backend can be used independently, so there is no need to expose Scala BUILD file
@@ -33,6 +33,12 @@ args = [
 # defined at the root of the repository.
 plugins_global = ["//:acyclic"]
 
+[jvm]
+# Configure remote debugging options that will be used with `test --debug`.
+debug_args = [
+  "-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005",
+]
+
 [anonymous-telemetry]
 enabled = true
 repo_id = "79B3C35A-85A9-41A4-AAA8-04484F41A8F7"