[actions] in .github/workflows testsuite*, add back the possibility t…

…o manually disapatch the one/all process workflows via workflow_dispatch

.github/workflows/testsuite_allprocesses.yml

@@ -9,10 +9,14 @@ name: Test suite for all processes
 
 on:
 
+  # Trigger the all-processes workflow when new changes to the workflow are pushed
   push:
     paths:
       - '.github/workflows/testsuite*'
 
+  # Manually trigger the all-processes workflow
+  workflow_dispatch:
+
 #----------------------------------------------------------------------------------------------------------------------------------
 
 jobs:

.github/workflows/testsuite_oneprocess.yml

@@ -8,23 +8,24 @@ name: Test suite for one process
 #----------------------------------------------------------------------------------------------------------------------------------
 
 on:
+
+  # Trigger the one-process workflow from the all-processes workflow
   # See https://stackoverflow.com/a/75337311
   workflow_call:
     inputs:
       process: # this variable is provided by the matrix in testsuite_allprocesses.yml
         required: true
         type: string
 
-  #FIXME: add ALSO the possibility of running only one process on request...
-
-  # From the default github manual workflow example
-  #workflow_dispatch:
-  # inputs:
-  #   process:
-  #     description: 'Physics process'
-  #     default: 'gg_tt.mad'
-  #     required: true
-  #     type: string
+  # Manually trigger the one-process workflow
+  # (the lines below are adapted rom the default github manual workflow example)
+  workflow_dispatch:
+   inputs:
+     process:
+       description: 'Physics process'
+       default: 'gg_tt.mad'
+       required: true
+       type: string
 
 #----------------------------------------------------------------------------------------------------------------------------------