chore: remove references to pack being experimental

It is no longer experimental and is here to stay.

tests/unit/app-json.bats

@@ -94,7 +94,12 @@ teardown() {
   echo "status: $status"
   assert_success
 
-  run /bin/bash -c "dokku config:set --no-restart $TEST_APP DOKKU_CNB_EXPERIMENTAL=1 SECRET_KEY=fjdkslafjdk"
+  run /bin/bash -c "dokku config:set --no-restart $TEST_APP SECRET_KEY=fjdkslafjdk"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku builder:set $TEST_APP selected pack"
   echo "output: $output"
   echo "status: $status"
   assert_success

tests/unit/builder.bats

@@ -99,19 +99,6 @@ teardown() {
   echo "output: $output"
   echo "status: $status"
   assert_success
-
-  # test DOKKU_CNB_EXPERIMENTAL env var
-  run /bin/bash -c "dokku config:set $TEST_APP DOKKU_CNB_EXPERIMENTAL=1"
-  echo "output: $output"
-  echo "status: $status"
-  assert_success
-
-  chown -R dokku:dokku "$TMP"
-  run /bin/bash -c "dokku plugin:trigger builder-detect $TEST_APP $TMP"
-  echo "output: $output"
-  echo "status: $status"
-  assert_success
-  assert_line 0 "pack"
 }
 
 @test "(builder) builder-detect [dockerfile]" {

tests/unit/ps-cnb.bats

@@ -17,7 +17,7 @@ teardown() {
 }
 
 @test "(ps) cnb env vars" {
-  run /bin/bash -c "dokku config:set $TEST_APP DOKKU_CNB_EXPERIMENTAL=1"
+  run /bin/bash -c "dokku config:set $TEST_APP APP_RESPECTS_ENV_VARS=1"
   echo "output: $output"
   echo "status: $status"
   assert_success
@@ -31,5 +31,5 @@ teardown() {
   echo "output: $output"
   echo "status: $status"
   assert_success
-  assert_output_contains '"DOKKU_CNB_EXPERIMENTAL": "1"'
+  assert_output_contains '"APP_RESPECTS_ENV_VARS": "1"'
 }

tests/unit/run_1.bats

@@ -68,7 +68,12 @@ teardown() {
   echo "status: $status"
   assert_success
 
-  run /bin/bash -c "dokku config:set --no-restart $TEST_APP DOKKU_CNB_EXPERIMENTAL=1 SECRET_KEY=fjdkslafjdk"
+  run /bin/bash -c "dokku config:set --no-restart $TEST_APP SECRET_KEY=fjdkslafjdk"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku builder:set $TEST_APP selected pack"
   echo "output: $output"
   echo "status: $status"
   assert_success