Edje: Test proxy objects more

This tests that a cached object is not reused invalidly if
it was ref'ed.

src/tests/edje/data/test_table.edc

@@ -111,6 +111,26 @@ collections {
                }
             }
          }
+         table { "table2";
+            desc {
+               table {
+                  homogeneous: TABLE;
+                  padding: 10 10;
+               }
+            }
+            table {
+               items {
+                  item {
+                     type: GROUP;
+                     source: "item1";
+                     position: 0 0;
+                     span: 1 1;
+                     weight: 1 1;
+                     align: -1 -1;
+                  }
+               }
+            }
+         }
       }
    }
-}
+}

src/tests/edje/edje_test_edje.c

@@ -701,8 +701,10 @@ START_TEST(edje_test_table_eoapi)
    proxy = eo_ref(efl_part(obj, "table"));
    fail_if(!proxy);
    fail_if(!efl_pack_clear(proxy));
+   fail_if(efl_content_count(efl_part(obj, "table")) != 4);
    fail_if(!efl_pack_clear(proxy));
-   fail_if(!efl_pack_clear(proxy));
+   fail_if(efl_content_count(efl_part(obj, "table2")) != 1);
+   fail_if(efl_content_count(proxy) != 4);
    eo_unref(proxy);
 
    EDJE_TEST_FREE_EVAS();