Update testcondition.cpp

Author: chrchr-github

test/testcondition.cpp

@@ -5893,6 +5893,17 @@ class TestCondition : public TestFixture {
               "    return i;\n"
               "}\n");
         ASSERT_EQUALS("", errout_str());
+
+        check("void g(const int*);\n"
+              "int f(const int* const p) {\n"
+              "    int i = 0;\n"
+              "    if (*p == 0)\n"
+              "        g(p);\n"
+              "    if (*p == 0)\n"
+              "        i = 1;\n"
+              "    return i;\n"
+              "}\n");
+        ASSERT_EQUALS("[test.cpp:6:9]: (style) The if condition is the same as the previous if condition [duplicateCondition]\n", errout_str());
     }
 
     void checkInvalidTestForOverflow() {