The expectedOutput for the ReplacementDispatchNode test.

Author: Palez

com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/ExpectedTestOutput.test

@@ -77254,6 +77254,10 @@ Error in substitute(1, NA) : invalid environment specified
 #substitute(1, list(list(1)))
 [1] 1
 
+##com.oracle.truffle.r.test.builtins.TestBuiltin_substitute.testSubstitute#
+#substitute(`:=`(a=3,b=3))
+`:=`(a = 3, b = 3)
+
 ##com.oracle.truffle.r.test.builtins.TestBuiltin_substitute.testSubstitute#
 #substitute(expr=1, env=1)
 Error in substitute(expr = 1, env = 1) : invalid environment specified