Fix memory leaks in unit tests.

tests/BattleTests/ScriptTests/ScriptSetTests.cpp

@@ -82,6 +82,7 @@ TEST_CASE( "Add two scripts to script set, then remove them", "[Battling, Script
     auto it = set.GetIterator();
     REQUIRE(it->at(0)->GetName() == "foobar2");
     delete s;
+    delete s2;
 }
 
 

tests/BattleTests/ScriptTests/ScriptSourceTest.cpp

@@ -97,6 +97,7 @@ TEST_CASE( "Script source with multiple item script set.", "[Battling, Scripting
     CHECK(second != nullptr);
     CHECK (second->GetName() == "foobar2");
     delete s;
+    delete s2;
 }