Fix colored indexed point tests not using color in vertex buffer. In the previous version, the IndexedPointsTestUInt tests named VertexWithColorUnsignedIntOffset* were redundant with UnsignedIntOffset*. Bug: angleproject:3923 Change-Id: I6b9b8f2bd78882bcac7c3b89e798291ee94eea70 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1988998 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>