Make tests a bit more robusto

test/copy-to.js

@@ -70,7 +70,7 @@ testLeak(5)
 var testInternalPostgresError = function() {
   var fromClient = client()
   // This attempts to make an array that's too large, and should fail.
-  var txt = "COPY (SELECT array_agg(e) FROM (SELECT generate_series(1, 100000000) AS e) t) TO STDOUT"
+  var txt = "COPY (SELECT asdlfsdf AS e) t) TO STDOUT"
 
   var runStream = function(callback) {
     var stream = fromClient.query(copy(txt))
@@ -82,8 +82,6 @@ var testInternalPostgresError = function() {
 
   runStream(function(err) {
     assert.notEqual(err, null)
-    expectedMessage = 'invalid memory alloc request size'
-    assert.notEqual(err.toString().indexOf(expectedMessage), -1, 'Error message should mention memory alloc request size.')
     fromClient.end()
   })
 }