Fix & refactor {space,shard}_common.test.lua

Author: Totktonada

test/common/common.test.lua

@@ -0,0 +1,16 @@
+#!/usr/bin/env tarantool
+
+local fio = require('fio')
+
+-- require in-repo version of graphql/ sources despite current working directory
+package.path = fio.abspath(debug.getinfo(1).source:match("@?(.*/)")
+    :gsub('/./', '/'):gsub('/+$', '')) .. '/../../?.lua' .. ';' .. package.path
+
+local utils = require('test.utils')
+local testdata = require('test.testdata.common_testdata')
+
+box.cfg({})
+
+utils.run_testdata(testdata)
+
+os.exit()