update workflows

Author: Umesh Krishna

.github/workflows/python-package-conda.yml

@@ -31,4 +31,4 @@ jobs:
     - name: Test with pytest
       run: |
         conda install pytest
-        pytest
+        pytest tests/*

.github/workflows/test.yml

@@ -3,10 +3,10 @@ name: Test
 on:
   push:
     branches:
-      - main
+      - master
   pull_request:
     branches:
-      - main
+      - master
 
 jobs:
   test:

environment.yml

@@ -3,7 +3,7 @@ channels:
   - defaults
   - conda-forge
 dependencies:
-  - python>=3.8
+  - python>=3.6
   - django
   - pytest
   - pytest-django