Use docker binstub instead of running install and dependencies

Makefile

@@ -37,7 +37,5 @@ unit-tests:
 setup:
 	bash tests/setup.sh
 	$(MAKE) ci-dependencies
-	./install
-	./dependencies
 
 test: setup lint unit-tests

tests/bin/docker

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+
+case "$1" in
+  stop)
+    echo "testid"
+    ;;
+  start)
+    echo "testid"
+    ;;
+  kill)
+    echo "testid"
+    ;;
+  run)
+    echo "testid"
+    ;;
+  rm)
+    echo "testid"
+    ;;
+  ps)
+    if [[ $@ = *"no-trunc"* ]]; then
+      echo "1479bbd60ade8a92617d2aeb4935bd3ff3179bd0fd71c22c3102c421f4bc221f"
+      exit 0
+    else
+      echo "CONTAINER ID        IMAGE                      COMMAND                CREATED             STATUS              PORTS               NAMES"
+      echo "testid              dokku/ruby-sample:latest   \"/start web\"           About an hour ago   Up About an hour                        adoring_turing"
+    fi
+    ;;
+  exec)
+    echo "exec called with $@"
+    ;;
+  inspect)
+    if [[ $@ = *"IPAddress"* ]]; then
+      echo "172.17.0.34"
+      exit 0
+    fi
+
+    # running
+    echo "true"
+    ;;
+  images)
+    echo "REPOSITORY                TAG                 IMAGE ID            CREATED             VIRTUAL SIZE"
+    echo "redis                     3.0.3               9216d5a4eec8        13 days ago         109.3 MB"
+    ;;
+  pull)
+    exit 0
+    ;;
+  *)
+    exit "$DOKKU_NOT_IMPLEMENTED_EXIT"
+    ;;
+esac