[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/syntheticExtensions/samAdapters/InnerClassInGeneric.fir.kt

@@ -0,0 +1,17 @@
+// !WITH_NEW_INFERENCE
+// FILE: KotlinFile.kt
+fun foo(javaClass: JavaClass<Int>): Int {
+    val inner = javaClass.createInner<String>()
+    return inner.doSomething(1, "") { }
+}
+
+// FILE: JavaClass.java
+public class JavaClass<T> {
+    public <X> Inner<X> createInner() {
+        return new Inner<X>();
+    }
+
+    public interface Inner<X>{
+        public T doSomething(T t, X x, Runnable runnable);
+    }
+}