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

compiler/testData/diagnostics/tests/operatorRem/DeprecatedModOperatorConventions.fir.kt

@@ -0,0 +1,37 @@
+// !LANGUAGE: -ProhibitOperatorMod
+// !WITH_NEW_INFERENCE
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+class OldAndNew {
+    operator fun mod(x: Int) {}
+    operator fun rem(x: Int) {}
+}
+
+class OnlyOld {
+    operator fun mod(x: Int) {}
+}
+
+class OnlyNew {
+    operator fun rem(x: Int) {}
+}
+
+class Sample
+
+operator fun Sample.mod(x: Int) {}
+operator fun Sample.rem(x: Int) {}
+
+class IntAndUnit {
+    operator fun mod(x: Int) = 0
+    operator fun rem(x: Int): Int = 0
+}
+
+fun test() {
+    OldAndNew() % 1
+    OnlyOld() <!INAPPLICABLE_CANDIDATE!>%<!> 1
+    OnlyNew() % 1
+    Sample() % 1
+
+    takeInt(IntAndUnit() % 1)
+}
+
+fun takeInt(x: Int) {}