diff -r a29623b68ca2 -r 419a02fa70db tests/plover-gtk/test-transactionhelper.c
--- a/tests/plover-gtk/test-transactionhelper.c	Mon Jun 13 12:18:42 2016 +0100
+++ b/tests/plover-gtk/test-transactionhelper.c	Thu Jun 16 12:11:14 2016 +0100
@@ -91,14 +91,19 @@
 
 static void test_install_group(void)
 {
-    gchar *root;
+    gchar *root,*root_uri;
     GError *err=NULL;
+    GFile *file;
     PloverPackageSet *installed;
     PloverTransactionHelper *helper;
     root=g_strdup("razor-test-dir-XXXXXX");
     g_assert(mkdtemp(root));
-    g_setenv("RAZOR_ROOT",root,TRUE);
+    file=g_file_new_for_path(root);
     g_free(root);
+    root_uri=g_file_get_uri(file);
+    g_object_unref(file);
+    g_setenv("RAZOR_ROOT",root_uri,TRUE);
+    g_free(root_uri);
     helper=get_transaction_helper();
     installed=plover_package_set_new_from_installed("../razor-test-dir",&err);
     if (!installed)
@@ -115,15 +120,20 @@
 
 static void test_remove_group(void)
 {
-    gchar *root;
+    gchar *root,*root_uri;
     GError *err=NULL;
+    GFile *file;
     PloverPackageSet *installed;
     PloverTransactionHelper *helper;
     struct plover_vector *packages;
     char *pkgs[]={"zip",NULL};
     root=g_strdup("razor-test-dir-XXXXXX");
     g_assert(mkdtemp(root));
-    g_setenv("RAZOR_ROOT",root,TRUE);
+    file=g_file_new_for_path(root);
+    root_uri=g_file_get_uri(file);
+    g_object_unref(file);
+    g_setenv("RAZOR_ROOT",root_uri,TRUE);
+    g_free(root_uri);
     helper=get_transaction_helper();
     plover_transaction_helper_set_base(helper,"../yum-repo-test-dir");
     packages=plover_transaction_helper_group_get_default_packages(helper,
@@ -148,14 +158,19 @@
 
 static void test_update(void)
 {
-    gchar *root;
+    gchar *root,*root_uri;
     GError *err=NULL;
+    GFile *file;
     PloverPackageSet *installed;
     PloverTransactionHelper *helper;
     root=g_strdup("razor-test-dir-XXXXXX");
     g_assert(mkdtemp(root));
-    g_setenv("RAZOR_ROOT",root,TRUE);
+    file=g_file_new_for_path(root);
     g_free(root);
+    root_uri=g_file_get_uri(file);
+    g_object_unref(file);
+    g_setenv("RAZOR_ROOT",root_uri,TRUE);
+    g_free(root_uri);
     helper=get_transaction_helper();
     installed=plover_package_set_new_from_installed("../razor-test-dir",&err);
     if (!installed)
@@ -239,15 +254,20 @@
 
 static void test_run_install(void)
 {
-    gchar *root;
+    gchar *root,*root_uri;
     GError *err=NULL;
+    GFile *file;
     struct plover_vector *packages;
     PloverPackageSet *installed;
     PloverTransactionHelper *helper;
     struct run_install_baton baton={0,};
     root=g_strdup("razor-test-dir-XXXXXX");
     g_assert(mkdtemp(root));
-    g_setenv("RAZOR_ROOT",root,TRUE);
+    file=g_file_new_for_path(root);
+    root_uri=g_file_get_uri(file);
+    g_object_unref(file);
+    g_setenv("RAZOR_ROOT",root_uri,TRUE);
+    g_free(root_uri);
     helper=get_transaction_helper();
     installed=plover_package_set_new();
     if (!plover_package_set_open(installed,root,TRUE,&err))
@@ -339,15 +359,20 @@
 
 static void test_run_remove(void)
 {
-    gchar *root;
+    gchar *root,*root_uri;
     GError *err=NULL;
+    GFile *file;
     struct plover_vector *packages;
     PloverPackageSet *installed;
     PloverTransactionHelper *helper;
     struct run_remove_baton baton={0,};
     root=g_strdup("razor-test-dir-XXXXXX");
     g_assert(mkdtemp(root));
-    g_setenv("RAZOR_ROOT",root,TRUE);
+    file=g_file_new_for_path(root);
+    root_uri=g_file_get_uri(file);
+    g_object_unref(file);
+    g_setenv("RAZOR_ROOT",root_uri,TRUE);
+    g_free(root_uri);
     helper=get_transaction_helper();
     plover_transaction_helper_set_base(helper,"../yum-repo-test-dir");
     packages=
@@ -443,8 +468,9 @@
 
 static void test_run_update(void)
 {
-    gchar *root;
+    gchar *root,*root_uri;
     GError *err=NULL;
+    GFile *file;
     struct razor_importer *importer;
     struct razor_set *downgraded;
     struct razor_atomic *atomic;
@@ -454,7 +480,11 @@
     struct run_update_baton baton={0,};
     root=g_strdup("razor-test-dir-XXXXXX");
     g_assert(mkdtemp(root));
-    g_setenv("RAZOR_ROOT",root,TRUE);
+    file=g_file_new_for_path(root);
+    root_uri=g_file_get_uri(file);
+    g_object_unref(file);
+    g_setenv("RAZOR_ROOT",root_uri,TRUE);
+    g_free(root_uri);
     helper=get_transaction_helper();
     plover_transaction_helper_set_base(helper,"../yum-repo-test-dir");
     installed=plover_package_set_new();
@@ -560,7 +590,8 @@
 static void test_check_vendor(void)
 {
     int fh;
-    gchar *root,*s;
+    gchar *root,*root_uri,*s;
+    GFile *file;
     GError *err=NULL;
     struct razor_importer *importer;
     struct razor_set *downgraded;
@@ -572,7 +603,10 @@
     g_setenv("PLOVER_VENDOR_PREFIX","/srv",TRUE);
     root=g_strdup("razor-test-dir-XXXXXX");
     g_assert(mkdtemp(root));
-    g_setenv("RAZOR_ROOT",root,TRUE);
+    file=g_file_new_for_path(root);
+    root_uri=g_file_get_uri(file);
+    g_object_unref(file);
+    g_setenv("RAZOR_ROOT",root_uri,TRUE);
     helper=get_transaction_helper();
     plover_transaction_helper_set_check_vendor(helper,TRUE);
     plover_transaction_helper_set_base(helper,"../yum-repo-test-dir");
@@ -588,8 +622,8 @@
     razor_importer_finish_package(importer);
     downgraded=razor_importer_finish(importer);
     atomic=razor_atomic_open("Add downgraded packages");
-    razor_atomic_make_dirs(atomic,root,"/test/bin/zappy");
-    s=g_build_filename(root,"test/bin/zappy",NULL);
+    razor_atomic_make_dirs(atomic,root_uri,"/test/bin/zappy");
+    s=g_build_filename(root_uri,"test/bin/zappy",NULL);
     fh=razor_atomic_create_file(atomic,s,S_IRWXU|S_IRWXG|S_IRWXO);
     g_free(s);
     razor_atomic_close(atomic,fh);
@@ -610,6 +644,7 @@
     g_object_unref(helper);
     g_unsetenv("RAZOR_ROOT");
     g_free(root);
+    g_free(root_uri);
     g_unsetenv("PLOVER_VENDOR_PREFIX");
 }
 
@@ -652,17 +687,22 @@
 
 static void test_set_error(void)
 {
-    gchar *root;
+    gchar *root,*root_uri;
     const char *errmsg;
     GError *err=NULL;
     const GError *err2=NULL;
+    GFile *file;
     PloverPackageSet *installed;
     PloverTransactionHelper *helper;
     struct set_error_baton baton={0,};
     root=g_strdup("razor-test-dir-XXXXXX");
     g_assert(mkdtemp(root));
-    g_setenv("RAZOR_ROOT",root,TRUE);
+    file=g_file_new_for_path(root);
     g_free(root);
+    root_uri=g_file_get_uri(file);
+    g_object_unref(file);
+    g_setenv("RAZOR_ROOT",root_uri,TRUE);
+    g_free(root_uri);
     helper=get_transaction_helper();
     installed=plover_package_set_new_from_installed("../razor-test-dir",&err);
     if (!installed)