[Analysis API] Add more ContextCollector tests inspired by on-air tests

As the on-air analysis is obsolete, related tests are going to be
deleted. Here we add cases not yet covered by 'ContextCollector' tests.

analysis/low-level-api-fir/testData/contextCollector/nestedClassFunction.kt

@@ -0,0 +1,11 @@
+package test
+
+class Foo<F> {
+    class Bar<B> {
+        fun test(b: B) {
+            <expr>consume(b)</expr>
+        }
+    }
+}
+
+fun consume(obj: Any) {}