[calamares] Adjust module test-loader for changed API

- the test-loader needs to create modules (and does so hackishly,
  outside of the ModuleManager) so it needs to chase the API as well.

src/calamares/testmain.cpp

@@ -184,13 +184,13 @@ public:
 
     void loadSelf() override;
 
-    virtual Type type() const override;
-    virtual Interface interface() const override;
+    virtual Calamares::ModuleSystem::Type type() const override;
+    virtual Calamares::ModuleSystem::Interface interface() const override;
 
     virtual Calamares::JobList jobs() const override;
 
 protected:
-    void initFrom( const QVariantMap& ) override;
+    void initFrom( const Calamares::ModuleSystem::Descriptor& ) override;
 };
 
 ExecViewModule::ExecViewModule()
@@ -201,13 +201,13 @@ ExecViewModule::ExecViewModule()
     // We don't have one, so build one -- this gives us "x@x".
     QVariantMap m;
     m.insert( "name", "x" );
-    Calamares::Module::initFrom( m, "x" );
+    Calamares::Module::initFrom( Calamares::ModuleSystem::Descriptor::fromDescriptorData(m), "x" );
 }
 
 ExecViewModule::~ExecViewModule() {}
 
 void
-ExecViewModule::initFrom( const QVariantMap& )
+ExecViewModule::initFrom( const Calamares::ModuleSystem::Descriptor& )
 {
 }
 
@@ -332,7 +332,7 @@ load_module( const ModuleConfig& moduleConfig )
 
     cDebug() << "Module" << moduleName << "job-configuration:" << configFile;
 
-    Calamares::Module* module = Calamares::moduleFromDescriptor( descriptor, name, configFile, moduleDirectory );
+    Calamares::Module* module = Calamares::moduleFromDescriptor( Calamares::ModuleSystem::Descriptor::fromDescriptorData( descriptor ), name, configFile, moduleDirectory );
 
     return module;
 }