remove includes from test code

Author: Ludvig Gunne Lindström

test/testleakautovar.cpp

@@ -638,8 +638,7 @@ class TestLeakAutoVar : public TestFixture {
 
     void memcpyWithPtr1() { // #11542
         const Settings s = settingsBuilder().library("std.cfg").library("posix.cfg").build();
-        check("#include <string.h>\n"
-              "void f(char** old, char* value) {\n"
+        check("void f(char** old, char* value) {\n"
               "    char *str = strdup(value);\n"
               "    memcpy(old, &str, sizeof(char*));\n"
               "}\n", &s);
@@ -648,14 +647,12 @@ class TestLeakAutoVar : public TestFixture {
 
     void memcpyWithPtr2() {
         const Settings s = settingsBuilder().library("std.cfg").library("posix.cfg").build();
-        check("#include <string.h>\n"
-              "void f(char* value) {\n"
+        check("void f(char* value) {\n"
               "    char *old = NULL;\n"
               "    char *str = strdup(value);\n"
               "    memcpy(&old, &str, sizeof(char*));\n"
               "}\n", &s);
-        // TODO: make this fail
-        ASSERT_EQUALS("", errout_str());
+        ASSERT_EQUALS("[test.cpp:5]: (error) Memory leak: old\n", errout_str());
     }
 
     void isAutoDealloc() {