[FIR-TEST] Move analysis tests to separate module

compiler/fir/analysis-tests/testData/resolve/overrides/three.kt

@@ -0,0 +1,22 @@
+abstract class A {
+    fun foo() {}
+}
+
+interface Y {
+    fun baz() {}
+}
+
+open class B : A(), Y {
+    fun bar() {
+        foo()
+        baz()
+    }
+}
+
+class C : B() {
+    fun test() {
+        foo()
+        bar()
+        baz()
+    }
+}