fix tests that relied on internal deck handling

ebos/eclgenericvanguard.hh

@@ -93,6 +93,12 @@ public:
     static double setupTime()
     { return setupTime_; }
 
+    /*!
+     * \brief Read a deck.
+     * \param filename file to read
+     */
+    static void readDeck(const std::string& filename);
+
     /*!
      * \brief Set the simulation configuration objects.
      */