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

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

@@ -0,0 +1,33 @@
+// FILE: main.kt
+class A : B {
+    override fun foo(x: Int) {
+    }
+
+    override fun foo<caret>(x: String) {
+    }
+}
+
+// FILE: B.kt
+interface B: C, D
+
+// FILE: C.kt
+interface C {
+    fun foo(x: Int)
+    fun foo(x: String)
+}
+
+// FILE: D.kt
+interface D {
+    fun foo(x: Int)
+    fun foo(x: String)
+}
+
+
+// RESULT
+// ALL:
+// C.foo(x: String): Unit
+// D.foo(x: String): Unit
+
+// DIRECT:
+// C.foo(x: String): Unit
+// D.foo(x: String): Unit