FIR IDE: move analysis api fir testdata to the analysis directory

analysis/analysis-api/testData/components/overridenDeclarations/inLocalClass.kt

@@ -0,0 +1,9 @@
+fun foo() {
+    open class A {
+        open fun foo() {}
+    }
+
+    class B : A() {
+        override fun fo<caret>o() {}
+    }
+}