fix: tests-pytest add skip-install (#428)

Co-authored-by: ansys-reviewer-bot[bot] <143693109+ansys-reviewer-bot[bot]@users.noreply.github.com>
Co-authored-by: Roberto Pastor Muela <37798125+RobPasMue@users.noreply.github.com>

tests-pytest/action.yml

@@ -85,6 +85,13 @@ inputs:
     required: false
     type: boolean
 
+  skip-install:
+    description: >
+      Skip installation process. This should be set to `false` when using poetry
+      as the build-backend because it should be false with poetry as build-backend.
+      The default value is ``false``.
+    default: false
+    type: boolean
 
 runs:
   using: "composite"