Issue #299: unclear error message in case of multiline strings

Author: suntoucha

internal/common/lexer.go

@@ -225,5 +225,5 @@ func (l *Lexer) consumeComment() {
 }
 
 func (l *Lexer) CatchScannerError(s *scanner.Scanner, msg string) {
-	l.SyntaxError(fmt.Sprintf("%s. See near %s", msg, s.TokenText()))
+	l.SyntaxError(msg)
 }

internal/common/lexer_test.go

@@ -106,7 +106,7 @@ var multilineStringTests = []consumeTestCase {
 		description: "Multiline strings are not allowed",
 		definition: `"Hello
 				 World"`,
-		expected: `graphql: syntax error: literal not terminated. See near "Hello (line 1, column 1)`,
+		expected: `graphql: syntax error: literal not terminated (line 1, column 1)`,
 		failureExpected: true,
 		useStringDescriptions: true,		
 	},