[ADT] Add trailing comma on TYPED_TEST_SUITE

[lbenes]

Summary

This avoids a -pedantic warning:
warning: ISO C++11 requires at least one argument for the "..." in a variadic macro

See also https://github.com/google/googletest/issues/2271

llvm/unittests/ADT/SequenceTest.cpp

using IntegralTypes = testing::Types<uint8_t,   // 0
                                      int8_t,    // 5
                                      int16_t,   // 6
                                      int32_t,   // 7
                                      int64_t,   // 8
                                      intmax_t   // 9
                                      >;
 
 template <class T> class StrongIntTest : public testing::Test {};
-TYPED_TEST_SUITE(StrongIntTest, IntegralTypes);
+TYPED_TEST_SUITE(StrongIntTest, IntegralTypes, );
 TYPED_TEST(StrongIntTest, Operations) {
   using T = TypeParam;
   auto Max = std::numeric_limits<T>::max();
   auto Min = std::numeric_limits<T>::min();
 
   // We bail out for types that are not entirely representable within intmax_t.
   if (!canTypeFitValue<intmax_t>(Max) || !canTypeFitValue<intmax_t>(Min))
     return;