Updated profile resolution (spec) readme with clarification regarding…

… unit testing

src/specifications/profile-resolution/readme.md

@@ -1,3 +1,4 @@
+# Profile Resolution Specification and Testing
 
 ## Providing feedback on this specification
 
@@ -7,7 +8,15 @@ Please post Issues in Github or questions to the OSCAL mailing list, or ask abou
 
 The specifications are being edited in an ad-hoc XML back end format, a lightweight extension to HTML tagging. If you wish to edit the files directly, we have stylesheets for presentation and HTML conversion along with Schematron for validation (runtime or at check points); please contact us.
 
-### Capabilities
+## Profile Resolution Unit Tests
+
+Profile resolution unit tests are maintained here and bound to the specification via markup embedded with the specifications, for convenience in alignment. Formal test scenario files can be generated dynamically from markup when needed.
+
+In this subdirectory, the folder `profile-resolution-examples` includes old tests kept here for potential future use/reuse while we complete a common test set.
+
+The comment test set we are developing can be found in folder `requirement-tests`.
+
+## SpecML Capabilities
 
 - XML authoring of specifications
 - HTML previews with ToC / requirements index
@@ -39,14 +48,13 @@ The `@href` is the file instance for the example. The text is a qualifying descr
 
 Presently all `eg` are inside `req` so there is an implicit relation there (no examples are named apart from stated requirements).
 
-### Unit tests
+### Unit test scenario generation
 
 Based on markup in the SpecML document, XSpec unit test sheets can be generated framing the unit test held in this subdirectory, to be executed in any (current) XSpec implementation.
 
 #### Requirements listing
 
 Broken out by requirement - corresponding line by line to //req in the Spec document source.
-
 This XSpec is generated by applying the XSLT `lib/build-reqs-xspec.xsl` to the SpecML source document (marked with `req` and `eg` tags).
 
 #### File listing