Corrected autopause's resume to work with alpine images (#1464)

tests/setuponlytests/defaults/docker-compose.yml

@@ -0,0 +1,11 @@
+version: "3"
+
+services:
+  mc:
+    restart: "no"
+    image: ${IMAGE_TO_TEST:-itzg/minecraft-server}
+    environment:
+      EULA: "TRUE"
+      SETUP_ONLY: "TRUE"
+    volumes:
+      - ./data:/data

tests/setuponlytests/defaults/verify.sh

@@ -0,0 +1,3 @@
+mc-image-helper assert propertyEquals --file=server.properties --property=rcon.password --expect=minecraft
+mc-image-helper assert propertyEquals --file=server.properties --property=rcon.port --expect=25575
+mc-image-helper assert propertyEquals --file=server.properties --property=enable-rcon --expect=true