add ql indent tests

tests/indent/ql_spec.lua

@@ -0,0 +1,20 @@
+local Runner = require("tests.indent.common").Runner
+
+local run = Runner:new(it, "tests/indent/ql", {
+  tabstop = 2,
+  shiftwidth = 2,
+  softtabstop = 0,
+  expandtab = true,
+})
+
+describe("indent Lua:", function()
+  describe("whole file:", function()
+    run:whole_file(".", {
+      expected_failures = {},
+    })
+  end)
+end)
+
+describe("new line:", function()
+  run:new_line("module.ql", { on_line = 6, text = "predicate test() {}", indent = 2 })
+end)