Update tests/container-canary/base.yml

Author: jameslamb

tests/container-canary/base.yml

@@ -30,12 +30,12 @@ checks:
           # the second component could have a 't' for like '3.15t' for free-threaded builds at some point in the future
           - '[[ "${PYTHON_VERSION}" =~ ^[0-9]{1,2}\.[0-9t]{1,2}$ ]]'
   - name: tst-conda-active
-    description: test the conda environment is active
+    description: test the conda environment is active if running with a login shell
     probe:
       exec:
         command:
           - /bin/bash
-          - -c
+          - -lc
           - '[ "${CONDA_EXE+x}" ];'
   - name: tool-conda
     description: conda can be executed