add sdpdeps toxenv

tox.ini

@@ -38,6 +38,7 @@ description =
     alldeps: with all optional dependencies
     devdeps: with the latest developer version of key dependencies
     oldestdeps: with the oldest supported version of key dependencies
+    sdpdeps: with the recent STScI DMS release pinned dependencies
     pyargs: with --pyargs on installed package
     warnings: treating warnings as errors
     regtests: with --bigdata and --slow flags
@@ -52,6 +53,8 @@ pass_env =
     TEST_BIGDATA
     CODECOV_*
     DD_*
+set_env =
+    sdpdeps,regtests: CRDS_CONTEXT = jwst-edit
 extras =
     test
     alldeps: all
@@ -63,6 +66,7 @@ commands_pre =
     oldestdeps: minimum_dependencies romancal --filename requirements-min.txt
     oldestdeps: pip install -r requirements-min.txt
     devdeps: pip install -r requirements-dev.txt
+    sdpdeps: pip install -r requirements-sdp.txt
     pip freeze
 commands =
     pytest \