[FIR-TEST] Move analysis tests to separate module

compiler/fir/analysis-tests/testData/resolveWithStdlib/functionX.kt

@@ -0,0 +1,9 @@
+import kotlin.jvm.functions.Function0
+
+val x: Function0<Int> = { 42 }
+
+val y: Function1<String, String> = { it }
+
+class MyFunction : Function2<Int, String, Unit> {
+    override fun invoke(p1: Int, p2: String) {}
+}