Undo stray test change

Author: andrjohns

test/unit/math/mix/fun/exp_test.cpp

@@ -7,15 +7,14 @@ TEST(mathMixMatFun, exp) {
   };
   stan::test::expect_common_unary_vectorized<
       stan::test::ScalarSupport::RealAndComplex>(f);
-  //  stan::test::expect_unary_vectorized<
-  //      stan::test::ScalarSupport::RealAndComplex>(f, -15.2, -10, -0.5, 0.5,
-  //      1,
-  //                                                 1.0, 1.3, 5, 10);
-  //  stan::test::expect_complex_common(f);
+  stan::test::expect_unary_vectorized<
+      stan::test::ScalarSupport::RealAndComplex>(f, -15.2, -10, -0.5, 0.5, 1,
+                                                 1.0, 1.3, 5, 10);
+  stan::test::expect_complex_common(f);
 
   std::vector<double> com_args = stan::test::internal::common_nonzero_args();
   std::vector<double> args{-2.6, -0.5, 0.5, 1.5};
 
-  // stan::test::expect_ad_vector_matvar(f, stan::math::to_vector(com_args));
-  // stan::test::expect_ad_vector_matvar(f, stan::math::to_vector(args));
+  stan::test::expect_ad_vector_matvar(f, stan::math::to_vector(com_args));
+  stan::test::expect_ad_vector_matvar(f, stan::math::to_vector(args));
 }