Fix some specs to not rely on remembering flags

spec/install/deploy_spec.rb

@@ -323,7 +323,7 @@
           rack
         G
 
-        bundle! "config set deployment true"
+        bundle! "config set --local deployment true"
       end
 
       it "prevents the replace by default" do
@@ -376,7 +376,7 @@
     it "remembers that the bundle is frozen at runtime" do
       bundle! :lock
 
-      bundle! "config set deployment true"
+      bundle! "config set --local deployment true"
 
       gemfile <<-G
         source "file://#{gem_repo1}"
@@ -414,7 +414,7 @@
       expect(out).to include("Updating files in vendor/cache")
 
       simulate_new_machine
-      bundle! "config set deployment true"
+      bundle! "config set --local deployment true"
       bundle! "install --verbose"
       expect(out).not_to include("You are trying to install in deployment mode after changing your Gemfile")
       expect(out).not_to include("You have added to the Gemfile")

spec/realworld/edgecases_spec.rb

@@ -201,7 +201,8 @@ def rubygems_version(name, requirement)
       gem 'rack', '1.0.1'
     G
 
-    bundle! :install, forgotten_command_line_options(:path => "vendor/bundle")
+    bundle "config set --local path vendor/bundle"
+    bundle! :install
     expect(err).not_to include("Could not find rake")
     expect(last_command.stderr).to be_empty
   end