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

compiler/testData/diagnostics/tests/delegation/Delegation_ClashingFunctions.fir.kt

@@ -0,0 +1,18 @@
+// !DIAGNOSTICS: -CONFLICTING_JVM_DECLARATIONS
+interface One {
+    public fun foo(): Any?
+}
+interface Two {
+    public fun foo(): String?
+}
+
+interface Three {
+    public fun foo(): String
+}
+
+class Test123(val v1: One, val v2: Two, val v3: Three) : One by v1, Two by v2, Three by v3 { }
+class Test132(val v1: One, val v2: Two, val v3: Three) : One by v1, Three by v3, Two by v2 { }
+class Test312(val v1: One, val v2: Two, val v3: Three) : Three by v3, One by v1, Two by v2 { }
+class Test321(val v1: One, val v2: Two, val v3: Three) : Three by v3, Two by v2, One by v1 { }
+class Test231(val v1: One, val v2: Two, val v3: Three) : Two by v2, Three by v3, One by v1 { }
+class Test213(val v1: One, val v2: Two, val v3: Three) : Two by v2, One by v1, Three by v3 { }