Fix excluding tests for older InfluxDB versions

Author: mneudert

test/instream/connection_test.exs

@@ -76,7 +76,9 @@ defmodule Instream.ConnectionTest do
              DefaultConnection.query(query, params: params)
   end
 
-  @tag influxdb_version: "1.7"
+  @tag :"influxdb_exclude_1.6"
+  @tag :"influxdb_exclude_1.5"
+  @tag :"influxdb_exclude_1.4"
   test "read using flux query" do
     :ok =
       DefaultConnection.write(%{

test/test_helper.exs

@@ -54,7 +54,7 @@ config =
         if Version.match?(version, "~> #{ver}") do
           acc
         else
-          Keyword.put(acc, :exclude, [{:influxdb_version, ver} | acc[:exclude]])
+          Keyword.put(acc, :exclude, [:"influxdb_exclude_#{ver}" | acc[:exclude]])
         end
       end)
   end