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

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/BinaryExpression.fir.kt

@@ -0,0 +1,11 @@
+// !WITH_NEW_INFERENCE
+// !DIAGNOSTICS: -DEBUG_INFO_SMARTCAST
+fun bar(x: Int): Int = x + 1
+
+fun foo() {
+    val x: Int? = null
+
+    bar(1 + (if (x == null) 0 else x))
+    bar(if (x == null) x else x)
+    if (x != null) bar(x + x/(x-x*x))
+}