test: Reorganize test/ folder into one subdirectory for each test type

test/io/configs/no-defaults-env.yaml

@@ -0,0 +1,31 @@
+PGRST_APP_SETTINGS_test2: test
+PGRST_APP_SETTINGS_test: test
+PGRST_DB_ANON_ROLE: root
+PGRST_DB_CHANNEL: postgrest
+PGRST_DB_CHANNEL_ENABLED: false
+PGRST_DB_EXTRA_SEARCH_PATH: public, test
+PGRST_DB_MAX_ROWS: 1000
+PGRST_DB_POOL: 1
+PGRST_DB_POOL_TIMEOUT: 100
+PGRST_DB_PREPARED_STATEMENTS: false
+PGRST_DB_PRE_REQUEST: please_run_fast
+PGRST_DB_ROOT_SPEC: openapi_v3
+PGRST_DB_SCHEMAS: multi,   tenant,setup
+PGRST_DB_CONFIG: false
+PGRST_DB_TX_END: rollback-allow-override
+PGRST_DB_URI: tmp_db
+PGRST_DB_EMBED_DEFAULT_JOIN: inner
+PGRST_DB_USE_LEGACY_GUCS: false
+PGRST_JWT_AUD: 'https://postgrest.org'
+PGRST_JWT_ROLE_CLAIM_KEY: '.user[0]."real-role"'
+PGRST_JWT_SECRET: c2VjdXJpdHl0aHJvdWdob2JzY3VyaXR5
+PGRST_JWT_SECRET_IS_BASE64: true
+PGRST_LOG_LEVEL: info
+PGRST_OPENAPI_MODE: 'ignore-privileges'
+PGRST_OPENAPI_SERVER_PROXY_URI: 'https://postgrest.org'
+PGRST_RAW_MEDIA_TYPES: application/vnd.pgrst.config
+PGRST_SERVER_HOST: 0.0.0.0
+PGRST_SERVER_PORT: 80
+PGRST_SERVER_UNIX_SOCKET: /tmp/pgrst_io_test.sock
+PGRST_SERVER_UNIX_SOCKET_MODE: 777
+PGRST_ADMIN_SERVER_PORT: 3001