Tests Plasma Using Syrupy (#2413)

* Add syrupy classes to conftest

* Add syrupy to env file

* Another folder for syrupy data

* Save as npy instead of txt

* Use syrupy fixtures

* Different assertion functions for pandas dataframes and series

* Zeta data fix

* Blackify

* Blackify conftest

* test_hdf_plasmas using syrupy

* Install syrupy with conda

* Remove additional line adding syrupy as a plugin

* Set update snapshots config option when generate reference is selected

* Remove old refdata code from test plasmas complete

* Create plasma conftest file

* Text based snapshot fixture with custom location

* Snapshot path

* tardis regressions my fork

* Refactor test_hdf_plasmas.py

* Format using black

* test nlte excitation using syrupy

* nlte solver

* plasma continuum

* test tardis model density config

* Lock files

* Increase cache no

* format using black

* cleanup- sort dependencies, delete comments

* Documentation to run these tests

* remove commented out fixtures which are not used anywhere

* docs code render fix

* tests final cleanup

* renaming files, yet to deal with ambr snapshot extension and curly brackets

* renaming snapshots

* Add comments

.github/workflows/tests.yml

@@ -15,8 +15,8 @@ on:
 
 env:
   CACHE_NUMBER: 0  # increase to reset cache manually
-  PYTEST_FLAGS: --tardis-refdata=${{ github.workspace }}/tardis-refdata
-                --cov=tardis --cov-report=xml --cov-report=html
+  PYTEST_FLAGS: --tardis-refdata=${{ github.workspace }}/tardis-refdata --tardis-snapshot-data=${{ github.workspace }}/tardis-regressions
+                --cov=tardis --cov-report=xml --cov-report=html 
   CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
 concurrency:
@@ -86,6 +86,12 @@ jobs:
         with:
           path: tardis-refdata/.git/lfs
           key: ${{ runner.os }}-lfs-${{ hashFiles('tardis-refdata/.lfs-assets-id') }}-v1
+
+      - name: Clone tardis-sn/tardis-regressions
+        uses: actions/checkout@v4
+        with:
+          repository: tardis-sn/tardis-regressions
+          path: tardis-regressions
 
       - name: Setup environment
         uses: conda-incubator/setup-miniconda@v2