Use the Ecore Wl2 renderer by default for unit testing (#245)

Author: swift-kim

shell/platform/tizen/BUILD.gn

@@ -257,7 +257,7 @@ embedder("flutter_tizen_common") {
 
 embedder("flutter_tizen_source") {
   target_type = "source_set"
-  use_evas_gl_renderer = true
+  use_evas_gl_renderer = false
 
   defines = []
 }

shell/platform/tizen/flutter_tizen_engine_unittest.cc

@@ -4,6 +4,8 @@
 
 #include "flutter/shell/platform/tizen/flutter_tizen_engine.h"
 
+#include <Ecore.h>
+
 #include "flutter/shell/platform/embedder/test_utils/proc_table_replacement.h"
 #include "flutter/shell/platform/tizen/testing/engine_modifier.h"
 #include "gtest/gtest.h"
@@ -13,10 +15,7 @@ namespace testing {
 
 class FlutterTizenEngineTest : public ::testing::Test {
  public:
-  FlutterTizenEngineTest() {
-    ecore_init();
-    elm_init(0, nullptr);
-  }
+  FlutterTizenEngineTest() { ecore_init(); }
 
  protected:
   void SetUp() {

shell/platform/tizen/flutter_tizen_texture_registrar_unittests.cc

@@ -4,6 +4,8 @@
 
 #include "flutter/shell/platform/tizen/flutter_tizen_texture_registrar.h"
 
+#include <Ecore.h>
+
 #include <iostream>
 
 #include "flutter/shell/platform/embedder/test_utils/proc_table_replacement.h"
@@ -16,10 +18,7 @@ namespace testing {
 
 class FlutterTizenTextureRegistrarTest : public ::testing::Test {
  public:
-  FlutterTizenTextureRegistrarTest() {
-    ecore_init();
-    elm_init(0, nullptr);
-  }
+  FlutterTizenTextureRegistrarTest() { ecore_init(); }
 
  protected:
   void SetUp() {