test: use local pems

Author: durran

.evergreen/run-alpine-fle-tests.sh

@@ -9,7 +9,10 @@ set -o xtrace
 export npm_config_cache=$(pwd)/.cache
 npm install
 
-ls -la $DRIVERS_TOOLS
+# Fix to point at the drivers tools pems installed in src.
+export CSFLE_TLS_CA_FILE="drivers-evergreen-tools/x509gen/ca.pem"
+export CSFLE_TLS_CERT_FILE="drivers-evergreen-tools/x509gen/server.pem"
+export CSFLE_TLS_CLIENT_CERT_FILE="drivers-evergreen-tools/x509gen/client.pem"
 
 ALPINE=true \
     npm run check:csfle