adjust build script for custom-dependency tests

Author: baileympearson

.evergreen/run-custom-csfle-tests.sh

@@ -22,7 +22,11 @@ echo "adding temporary AWS credentials to environment"
 # CSFLE_AWS_TEMP_ACCESS_KEY_ID, CSFLE_AWS_TEMP_SECRET_ACCESS_KEY, CSFLE_AWS_TEMP_SESSION_TOKEN
 . "$DRIVERS_TOOLS"/.evergreen/csfle/set-temp-creds.sh
 
-npm i git+https://github.com/mongodb-js/mongodb-client-encryption.git
+git clone https://github.com/mongodb-js/mongodb-client-encryption.git
+cd mongodb-client-encryption
+npm install && npm run install:libmongocrypt
+cd -
+npm link mongodb-client-encryption
 
 export MONGODB_URI=${MONGODB_URI}
 export KMIP_TLS_CA_FILE="${DRIVERS_TOOLS}/.evergreen/x509gen/ca.pem"