Use subprocess.exec

Author: jmikola

.evergreen/config/test-tasks.yml

@@ -3,11 +3,12 @@ tasks:
     tags: ["atlas", "nodb"]
     commands:
       # This creates secrets-export.sh, which is later sourced by run-tests.sh
-      - command: shell.exec
+      - command: subprocess.exec
         params:
           working_dir: "src"
-          script: |
-            bash ${DRIVERS_TOOLS}/.evergreen/secrets_handling/setup-secrets.sh drivers/atlas_connect
+          binary: bash
+          args:
+            - ${DRIVERS_TOOLS}/.evergreen/secrets_handling/setup-secrets.sh drivers/atlas_connect
       - func: "run tests"
         vars:
           TESTS: "tests/atlas.phpt"