Update to new THROW macro.

tests/ExceptionTests.cpp

@@ -10,7 +10,7 @@ TEST_CASE("When throwing exception, what() is readable") {
     } catch (const ArbUt::Exception& e) {
         hasCaught = true;
         INFO(e.what());
-        REQUIRE(std::string(e.what()) == "[ExceptionTests.cpp:9] foobar");
+        REQUIRE(std::string(e.what()) == "[ExceptionTests.cpp:9] \"foobar\"");
     }
     REQUIRE(hasCaught);
 }