Adding tests for running image

tests/image.bats

@@ -2,15 +2,6 @@
 
 load ../common
 
-setup() {
-  ./bin/rebuild.sh
-}
-
-@test "Should be buildable" {
-  run bin/build.sh
-  [ "$status" -eq 0 ]
-}
-
 @test "Concludes first-run experience" {
   result="$(docker run -i $maintainer/$imagename find /tmp/firsttimerunning)"
   [ "$result" != '' ]

tests/running.bats

@@ -0,0 +1,15 @@
+#!/usr/bin/env bats
+
+load ../common
+
+# These tests assume the pipeline will start and stop the container.
+
+@test "Leaves running process" {
+  result="$(docker ps | grep $imagename)"
+  [ "$result" != '' ]
+}
+
+@test "Exposes running HTTP service" {
+  result="$(docker exec -i $imagename curl http://localhost/)"
+  [ "$result" != '' ]
+}