ANGLE test fixture leaking.

src/tests/test_utils/ANGLETest.cpp

@@ -628,6 +628,17 @@ void ANGLETestBase::ANGLETestTearDown()
     }
 }
 
+void ANGLETestBase::ReleaseFixtures()
+{
+    for (auto it = gFixtures.begin(); it != gFixtures.end(); it++)
+    {
+        if (it->second.eglWindow)
+        {
+            it->second.eglWindow->destroyGL();
+        }
+    }
+}
+
 void ANGLETestBase::swapBuffers()
 {
     if (getGLWindow()->isGLInitialized())
@@ -1325,7 +1336,10 @@ std::unique_ptr<Library> ANGLETestEnvironment::gWGLLibrary;
 
 void ANGLETestEnvironment::SetUp() {}
 
-void ANGLETestEnvironment::TearDown() {}
+void ANGLETestEnvironment::TearDown()
+{
+    ANGLETestBase::ReleaseFixtures();
+}
 
 Library *ANGLETestEnvironment::GetEGLLibrary()
 {

src/tests/test_utils/ANGLETest.h

@@ -290,6 +290,8 @@ class ANGLETestBase
     virtual void overrideWorkaroundsD3D(angle::FeaturesD3D *featuresD3D) {}
     virtual void overrideFeaturesVk(angle::FeaturesVk *featuresVulkan) {}
 
+    static void ReleaseFixtures();
+
   protected:
     void ANGLETestSetUp();
     void ANGLETestTearDown();