Fix type and add parameter for startSolidNextcloud.

Author: Potherca

run-solid-test-suite.sh

@@ -26,7 +26,7 @@ function startPubSub {
 }
 
 function startSolidNextcloud {
-  docker run -d --name "$1" --network=testnet --env-file "./env-vars-$1.list solid-nextcloud"
+  docker run -d --name "$1" --network=testnet --env-file "./env-vars-$1.list" "${2:-solid-nextcloud}"
   until docker run --rm --network=testnet solidtestsuite/webid-provider-tests curl -kI "https://$1" 2> /dev/null > /dev/null
   do
     echo Waiting for "$1" to start, this can take up to a minute ...
@@ -50,7 +50,8 @@ function runTests {
     --env COOKIE="$COOKIE_server" \
     --env COOKIE_ALICE="$COOKIE_server" \
     --env COOKIE_BOB="$COOKIE_thirdparty" \
-    --env-file ./env-vars-testers.list $1-tests
+    --env-file ./env-vars-testers.list \
+    "$1-tests"
 }
 
 run_solid_test_suite() {