[FIR-TEST] Move analysis tests to separate module

compiler/fir/analysis-tests/testData/lightClasses/nestedClasses.txt

@@ -0,0 +1,7 @@
+public final class B <E extends java.lang.Object> extends java.lang.Object {
+    public final class C implements A<E> {
+    }
+
+    public static final class D implements A<java.lang.String> {
+    }
+}