Fix optional SuiteSparse + METIS test-suite names to be unique

Change-Id: I539dc3edebbf1929712d5187e66ebf9f615844f8

internal/ceres/sparse_cholesky_test.cc

diff --git a/internal/ceres/sparse_cholesky_test.cc b/internal/ceres/sparse_cholesky_test.cc
index 879ea05..31dbb02 100644
--- a/internal/ceres/sparse_cholesky_test.cc
+++ b/internal/ceres/sparse_cholesky_test.cc
@@ -203,7 +203,7 @@
 
 #if !defined(CERES_NO_SUITESPARSE) && !defined(CERES_NO_CHOLMOD_PARTITION)
 INSTANTIATE_TEST_SUITE_P(
-    SuiteSparseCholesky,
+    SuiteSparseCholeskyMETIS,
     SparseCholeskyTest,
     ::testing::Combine(::testing::Values(SUITE_SPARSE),
                        ::testing::Values(OrderingType::NESDIS),