base-modem,auth-provider: move testcase auth bypass to auth provider

The bypass when in testcase mode has nothing to do with the base modem
class; so make it generic.

Signed-off-by: Dan Williams <dan@ioncontrol.co>

src/mm-auth-provider.c

@@ -22,6 +22,7 @@
 #include "mm-log-object.h"
 #include "mm-utils.h"
 #include "mm-auth-provider.h"
+#include "mm-context.h"
 
 #if defined WITH_POLKIT
 # include <polkit/polkit.h>
@@ -128,6 +129,13 @@ mm_auth_provider_authorize (MMAuthProvider        *self,
 
     task = g_task_new (self, cancellable, callback, user_data);
 
+    /* When running in the session bus for tests, default to always allow */
+    if (mm_context_get_test_session ()) {
+        g_task_return_boolean (task, TRUE);
+        g_object_unref (task);
+        return;
+    }
+
 #if defined WITH_POLKIT
     {
         AuthorizeContext *ctx;

src/mm-base-modem.c

@@ -1809,13 +1809,6 @@ mm_base_modem_authorize (MMBaseModem *self,
 
     task = g_task_new (self, self->priv->authp_cancellable, callback, user_data);
 
-    /* When running in the session bus for tests, default to always allow */
-    if (mm_context_get_test_session ()) {
-        g_task_return_boolean (task, TRUE);
-        g_object_unref (task);
-        return;
-    }
-
     mm_auth_provider_authorize (self->priv->authp,
                                 invocation,
                                 authorization,