[FIR-TEST] Move analysis tests to separate module

compiler/fir/analysis-tests/testData/resolve/intersectionScope.kt

@@ -0,0 +1,14 @@
+interface A {
+    fun foo()
+}
+
+abstract class B : A {
+    override fun foo() {}
+}
+
+interface C : A {}
+
+fun main(c: C) {
+    if (c !is B) return
+    c.foo()
+}