Add test for KT-6240: create custom renderer for generic class

#KT-6240 Open

idea/testData/checker/codeFragments/classHeaderWithTypeArguments.kt

@@ -0,0 +1,4 @@
+// KT-6240
+class <caret>A<T> {
+    fun foo(t: T)
+}

idea/testData/checker/codeFragments/classHeaderWithTypeArguments.kt.fragment

@@ -0,0 +1 @@
+this.foo(<error descr="[TYPE_MISMATCH] Type mismatch: inferred type is kotlin.String but T was expected">"a"</error>)

idea/tests/org/jetbrains/jet/plugin/debugger/evaluate/CodeFragmentHighlightingTestGenerated.java

@@ -63,6 +63,12 @@ public class CodeFragmentHighlightingTestGenerated extends AbstractCodeFragmentH
             doTest(fileName);
         }
 
+        @TestMetadata("classHeaderWithTypeArguments.kt")
+        public void testClassHeaderWithTypeArguments() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("idea/testData/checker/codeFragments/classHeaderWithTypeArguments.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("contextElementAsStatement.kt")
         public void testContextElementAsStatement() throws Exception {
             String fileName = JetTestUtils.navigationMetadata("idea/testData/checker/codeFragments/contextElementAsStatement.kt");