Added test for destroy image

tests/image-test.bats

@@ -42,3 +42,25 @@ load ../common
   run bash -c "docker ps -f name=$imagename -q|wc -l"
   [ $output -eq 1 ]
 }
+@test "Stopping Docker Image $maintainer/$imagename" {
+  run bash -c "docker ps -f name=$imagename -q|wc -l"
+  if [ $output -eq 0 ]; then
+    skip "Image $imagename is not running, nothing to stop"
+  fi
+  run bash -c "bin/stop.sh"
+  run bash -c "docker ps -a -f name=$imagename -q|wc -l"
+  [ $output -eq 1 ]
+}
+@test "Destroying Image $maintainer/$imagename" {
+  run bash -c "docker ps -q -a -f name=$imagename -q|wc -l"
+  if [ $output -eq 0 ]; then
+    skip "Cannot destroy a non created container"
+  fi
+  run bash -c "docker start $imagename"
+  run bash -c "docker ps -q  -f name=$imagename -q|wc -l"
+  if [ $output -eq 0 ]; then
+    skip "Cannot destroy a non started container"
+  fi
+  run bash -c "bin/destroy.sh"
+  [ $status -eq 0 ]
+}