added integration test for remote file node-type

tests/integration/pipe-file-advio.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+
+CONFIG_FILE=$(mktemp)
+INPUT_FILE=$(mktemp)
+OUTPUT_FILE=$(mktemp)
+
+URI=https://1Nrd46fZX8HbggT:badpass@rwth-aachen.sciebo.de/public.php/webdav/node/tests/pipe
+
+cat > ${CONFIG_FILE} <<EOF
+nodes = {
+	remote_file_out = {
+		type = "file",
+		
+		out = {
+			uri = "${URI}"
+			mode = "w+"
+		},
+	},
+	remote_file_in = {
+		type = "file",
+		
+		in = {
+			uri = "${URI}"
+			mode = "r"
+			epoch_mode = "original"
+		}
+	}
+}
+EOF
+
+villas signal sine -n -l 10 > ${INPUT_FILE}
+
+villas pipe -s ${CONFIG_FILE} remote_file_out < ${INPUT_FILE}
+
+villas pipe -r ${CONFIG_FILE} remote_file_in > ${OUTPUT_FILE}
+
+villas test-cmp -j ${INPUT_FILE} ${OUTPUT_FILE}
+RC=$?
+
+rm -f ${CONFIG_FILE} ${INPUT_FILE} ${OUTPUT_FILE}
+
+exit $RC