more passing tests on Windows

test/support/isolated_environment.rb

@@ -4,6 +4,8 @@ require "tmpdir"
 
 require "log4r"
 
+require "vagrant/util/platform"
+
 # This class manages an isolated environment for Vagrant to
 # run in. It creates a temporary directory to act as the
 # working directory as well as sets a custom home directory.
@@ -26,7 +28,7 @@ class IsolatedEnvironment
     @logger = Log4r::Logger.new("test::isolated_environment")
 
     # Create a temporary directory for our work
-    @tempdir = Dir.mktmpdir("vagrant")
+    @tempdir = Vagrant::Util::Platform.fs_real_path(Dir.mktmpdir("vagrant"))
     @logger.info("Initialize isolated environment: #{@tempdir}")
 
     # Setup the home and working directories

test/unit/support/shared/base_context.rb

@@ -1,6 +1,8 @@
 require "tempfile"
 require "tmpdir"
 
+require "vagrant/util/platform"
+
 require "unit/support/isolated_environment"
 
 shared_context "unit" do
@@ -83,7 +85,9 @@ shared_context "unit" do
     @_temp_files << d
 
     # Return the pathname
-    return Pathname.new(d)
+    result = Pathname.new(Vagrant::Util::Platform.fs_real_path(d))
+    yield result if block_given?
+    return result
   end
 
   # Stub the given environment in ENV, without actually touching ENV. Keys and

test/unit/vagrant/environment_test.rb

@@ -69,15 +69,15 @@ describe Vagrant::Environment do
 
   describe "#home_path" do
     it "is set to the home path given" do
-      Dir.mktmpdir do |dir|
+      temporary_dir do |dir|
         instance = described_class.new(home_path: dir)
         expect(instance.home_path).to eq(Pathname.new(dir))
       end
     end
 
     it "is set to the environmental variable VAGRANT_HOME" do
-      Dir.mktmpdir do |dir|
-        instance = with_temp_env("VAGRANT_HOME" => dir) do
+      temporary_dir do |dir|
+        instance = with_temp_env("VAGRANT_HOME" => dir.to_s) do
           described_class.new
         end