Rename a couple of spec files

Generally are "realworld" specs are the ones using VCR cassettes of real
requests. These files don't use that, so I moved them to a different
place.

Author: deivid-rodriguez

…/realworld/gemfile_source_header_spec.rb …stall/gems/gemfile_source_header_spec.rbspec/bundler/realworld/gemfile_source_header_spec.rb renamed to spec/bundler/install/gems/gemfile_source_header_spec.rb spec/bundler/realworld/gemfile_source_header_spec.rb renamed to spec/bundler/install/gems/gemfile_source_header_spec.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-RSpec.describe "fetching dependencies with a mirrored source", realworld: true do
+RSpec.describe "fetching dependencies with a mirrored source" do
   let(:mirror) { "https://server.example.org" }
   let(:original) { "http://127.0.0.1:#{@port}" }
 
@@ -35,8 +35,8 @@ def setup_server
     @port = find_unused_port
     @server_uri = "http://127.0.0.1:#{@port}"
 
-    require_relative "../support/artifice/endpoint_mirror_source"
-    require_relative "../support/silent_logger"
+    require_relative "../../support/artifice/endpoint_mirror_source"
+    require_relative "../../support/silent_logger"
 
     require "rackup/server"
 

…c/bundler/realworld/mirror_probe_spec.rb …undler/install/gems/mirror_probe_spec.rbspec/bundler/realworld/mirror_probe_spec.rb renamed to spec/bundler/install/gems/mirror_probe_spec.rb spec/bundler/realworld/mirror_probe_spec.rb renamed to spec/bundler/install/gems/mirror_probe_spec.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-RSpec.describe "fetching dependencies with a not available mirror", realworld: true do
+RSpec.describe "fetching dependencies with a not available mirror" do
   let(:mirror) { @mirror_uri }
   let(:original) { @server_uri }
   let(:server_port) { @server_port }
@@ -108,8 +108,8 @@ def setup_server
     @server_port = find_unused_port
     @server_uri = "http://#{host}:#{@server_port}"
 
-    require_relative "../support/artifice/endpoint"
-    require_relative "../support/silent_logger"
+    require_relative "../../support/artifice/endpoint"
+    require_relative "../../support/silent_logger"
 
     require "rackup/server"