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

test/io/configs/expected/no-defaults-with-db.config

@@ -0,0 +1,30 @@
+db-anon-role = "postgrest_test_anonymous"
+db-channel = "postgrest"
+db-channel-enabled = false
+db-extra-search-path = "public,extensions,private"
+db-max-rows = 1000
+db-pool = 1
+db-pool-timeout = 100
+db-pre-request = "test.custom_headers"
+db-prepared-statements = false
+db-root-spec = "root"
+db-schemas = "test,tenant1,tenant2"
+db-config = true
+db-tx-end = "commit-allow-override"
+db-uri = "<REPLACED_WITH_DB_URI>"
+db-use-legacy-gucs = false
+jwt-aud = "https://example.org"
+jwt-role-claim-key = ".\"a\".\"role\""
+jwt-secret = "OVERRIDEREALLYREALLYREALLYREALLYVERYSAFE"
+jwt-secret-is-base64 = true
+log-level = "info"
+openapi-mode = "ignore-privileges"
+openapi-server-proxy-uri = "https://example.org/api"
+raw-media-types = "application/vnd.pgrst.db-config"
+server-host = "0.0.0.0"
+server-port = 80
+server-unix-socket = "/tmp/pgrst_io_test.sock"
+server-unix-socket-mode = "777"
+admin-server-port = 3001
+app.settings.test = "test"
+app.settings.test2 = "test"