[summarize-impact] Add test cases and fixtures (#36542)

Author: scbedd

eng/tools/summarize-impact/test/fixtures/default/after/specification/contosowidgermanager2/resource-manager/Microsoft.Contoso/stable/2021-11-01/contoso.json

@@ -0,0 +1,44 @@
+# contosowidgermanager 2
+
+> see https://aka.ms/autorest
+This is the AutoRest configuration file for Contoso.
+
+## Getting Started
+
+To build the SDKs for My API, simply install AutoRest via `npm` (`npm install -g autorest`) and then run:
+
+> `autorest readme.md`
+To see additional help and options, run:
+
+> `autorest --help`
+For other options on installation see [Installing AutoRest](https://aka.ms/autorest/install) on the AutoRest github page.
+
+---
+
+## Configuration
+
+```yaml
+suppressions:
+  - code: AvoidAnonymousTypes
+```
+
+### Basic Information
+
+These are the global settings for the containerstorage.
+
+```yaml
+openapi-type: arm
+openapi-subtype: rpaas
+tag: package-2021-11-01
+```
+
+### Tag: package-2021-11-01
+
+These settings apply only when `--tag=package-2021-11-01` is specified on the command line.
+
+```yaml $(tag) == 'package-2021-11-01'
+input-file:
+  - Microsoft.Contoso/stable/2021-11-01/contoso.json
+```
+
+---