[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/when/kt4434.fir.kt

@@ -0,0 +1,27 @@
+// KT-4434 Missed diagnostic about else branch in when
+
+package test
+
+fun foo(): Int {
+    val a = "a"
+    return if (a.length > 0) {
+        when (a) {
+            "a" -> 1
+        }
+    }
+    else {
+        3
+    }
+}
+
+fun bar(): Int {
+    val a = "a"
+    if (a.length > 0) {
+        return when (a) {
+            "a" -> 1
+        }
+    }
+    else {
+        return 3
+    }
+}