Extending the list of test owners

Otherwise, changes in tests would require my-only approval.

Change-Id: Ia957a28a5a8e55dc2ee4efdf9a46c91511d3e611
diff --git a/quickstep/tests/OWNERS b/quickstep/tests/OWNERS
index 046d871..02e8ebc 100644
--- a/quickstep/tests/OWNERS
+++ b/quickstep/tests/OWNERS
@@ -1 +1,4 @@
 vadimt@google.com
+sunnygoyal@google.com
+winsonc@google.com
+hyunyoungs@google.com
diff --git a/tests/OWNERS b/tests/OWNERS
index 046d871..02e8ebc 100644
--- a/tests/OWNERS
+++ b/tests/OWNERS
@@ -1 +1,4 @@
 vadimt@google.com
+sunnygoyal@google.com
+winsonc@google.com
+hyunyoungs@google.com