feat: split out test files and execute them manually

This breaks the old grouping mechanism, but honestly that was a weird way of doing it.

tests/unit/report.bats

@@ -0,0 +1,80 @@
+#!/usr/bin/env bats
+
+load test_helper
+
+setup() {
+  global_setup
+  deploy_app
+  rm -f /tmp/fake-docker-bin
+}
+
+teardown() {
+  rm -f /tmp/fake-docker-bin
+  destroy_app
+  global_teardown
+}
+
+@test "(report) report" {
+  run /bin/bash -c "dokku report"
+  echo "output: $output"
+  echo "status: $status"
+  assert_output_contains "herokuish version:"
+  assert_success
+
+  run /bin/bash -c "dokku report $TEST_APP 2>&1"
+  echo "output: $output"
+  echo "status: $status"
+  assert_output_contains "herokuish version:"
+  assert_output_contains "Deployed:                      false" "0"
+  assert_success
+
+  run /bin/bash -c "dokku report fake-app-name"
+  echo "output: $output"
+  echo "status: $status"
+  assert_failure
+
+  run /bin/bash -c "dokku report fake-app-name 2>&1"
+  echo "output: $output"
+  echo "status: $status"
+  assert_output_contains "App fake-app-name does not exist"
+  assert_failure
+
+  dokku apps:create "${TEST_APP}-2"
+  run /bin/bash -c "dokku report ${TEST_APP}-2 2>&1"
+  echo "output: $output"
+  echo "status: $status"
+  assert_output_contains "Deployed:                      false"
+  assert_success
+
+  dokku --force apps:destroy "${TEST_APP}-2"
+}
+
+@test "(report) custom docker bin" {
+  export DOCKER_BIN="docker"
+  run /bin/bash -c "dokku report"
+  echo "output: $output"
+  echo "status: $status"
+  assert_output_contains "herokuish version:"
+  assert_success
+
+  export DOCKER_BIN="/usr/bin/docker"
+  run /bin/bash -c "dokku report"
+  echo "output: $output"
+  echo "status: $status"
+  assert_output_contains "herokuish version:"
+  assert_success
+
+  touch /tmp/fake-docker-bin
+  echo '#!/usr/bin/env bash' >/tmp/fake-docker-bin
+  echo '/usr/bin/docker "$@"' >>/tmp/fake-docker-bin
+  chmod +x /tmp/fake-docker-bin
+
+  export DOCKER_BIN="/tmp/fake-docker-bin"
+  run /bin/bash -c "dokku report"
+  echo "output: $output"
+  echo "status: $status"
+  assert_output_contains "herokuish version:"
+  assert_success
+
+  unset DOCKER_BIN
+}