test user-supplied container tag biosimulators_vcell_tag

.github/workflows/bsts_local.yml

@@ -2,11 +2,11 @@ name: BSTS local
 # derived from https://raw.githubusercontent.com/biosimulators/Biosimulators/dev/.github/workflows/validateCommitSimulator.yml
 on:
   workflow_dispatch:
-#    inputs:
-#      vcell_version:
-#        description: 'version.major.minor'
-#        required: true
-#        default: '7.5.0'
+    inputs:
+      biosimulators_vcell_tag:
+        description: 'version.major.minor.patch'
+        required: true
+        default: '7.5.0.127'
 #      vcell_build:
 #        description: 'build number'
 #        required: true
@@ -142,7 +142,7 @@ jobs:
           working-directory: ${{ github.workspace }}
           run: |
             python -m pip install --upgrade biosimulators_utils
-            sed -i 's/_VC_VERSION_TAG_/${{steps.version.outputs.tag}}/g' biosimulators.json
+            sed -i 's/_VC_VERSION_TAG_/${{github.event.inputs.biosimulators_vcell_tag}}/g' biosimulators.json
             python -m biosimulators_test_suite.exec_cli.main --verbose biosimulators.json
 
       # If tmate is useful for a particular debugging issue, comment this back in: