fix: update tests for non-cache using app

tests/unit/repo.bats

@@ -4,11 +4,9 @@ load test_helper
 
 setup() {
   global_setup
-  deploy_app
 }
 
 teardown() {
-  destroy_app
   global_teardown
 }
 
@@ -27,11 +25,21 @@ teardown() {
 }
 
 @test "(repo) repo:gc, repo:purge-cache" {
+  run deploy_app
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
   run /bin/bash -c "dokku repo:gc $TEST_APP"
   echo "output: $output"
   echo "status: $status"
   assert_success
 
+  run /bin/bash -c "touch $DOKKU_ROOT/$TEST_APP/cache/derp"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
   run /bin/bash -c "find $DOKKU_ROOT/$TEST_APP/cache -type f | wc -l | grep 0"
   echo "output: $output"
   echo "status: $status"
@@ -44,4 +52,9 @@ teardown() {
   echo "output: $output"
   echo "status: $status"
   assert_success
+
+  run destroy_app
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
 }