Don't use global app for api / api4 tests (#7528)

* don't use global app for api / api4 tests

* put sleep back. we're gonna have to do some goroutine wrangling

* fix oauth test config assumptions

* jobs package, i'm comin' for you next

* app test fix

* try increasing sleep a little

api4/plugin_test.go

@@ -24,7 +24,7 @@ func TestPlugin(t *testing.T) {
 	defer os.RemoveAll(webappDir)
 
 	th := SetupEnterprise().InitBasic().InitSystemAdmin()
-	defer TearDown()
+	defer th.TearDown()
 
 	enablePlugins := *utils.Cfg.PluginSettings.Enable
 	defer func() {