Move start csfle servers to pre

Author: aclark4life

.evergreen/config.yml

@@ -69,6 +69,7 @@ functions:
 
 pre:
   - func: setup
+  - func: start csfle servers
   - func: bootstrap mongo-orchestration
 
 post:
@@ -77,7 +78,6 @@ post:
 tasks:
   - name: run-tests
     commands:
-      - func: "start csfle servers"
       - func: "run unit tests"
 
 buildvariants: