diff --git a/test/commands_test.go b/test/commands_test.go
index 003d26a23..d35dcafc0 100644
--- a/test/commands_test.go
+++ b/test/commands_test.go
@@ -33,6 +33,11 @@ func (ts *PackerTestSuite) PackerCommand() *packerCommand {
 	}
 }
 
+// UsePluginDir sets the plugin directory in the environment to `dir`
+func (pc *packerCommand) UsePluginDir(dir string) *packerCommand {
+	return pc.AddEnv("PACKER_PLUGIN_PATH", dir)
+}
+
 func (pc *packerCommand) SetArgs(args ...string) *packerCommand {
 	pc.args = args
 	return pc
diff --git a/test/loading_test.go b/test/loading_test.go
index e31decb2c..19381e7bc 100644
--- a/test/loading_test.go
+++ b/test/loading_test.go
@@ -37,7 +37,7 @@ func (ts *PackerTestSuite) TestLoadingOrder() {
 			t.Run(tt.name, func(t *testing.T) {
 				ts.PackerCommand().
 					SetArgs(command, tt.templatePath).
-					AddEnv("PACKER_PLUGIN_PATH", pluginDir).
+					UsePluginDir(pluginDir).
 					Assert(t, MustSucceed{}, Grep{
 						streams: BothStreams,
 						expect:  tt.grepStr,