OPA Conformance: Do not interpret # within regular string (#216)

fixes #213

Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com>

src/lexer.rs

@@ -455,7 +455,7 @@ impl<'source> Lexer<'source> {
             let (offset, ch) = self.peek();
             let col = self.col + (offset - start) as u16;
             match ch {
-                '"' | '#' | '\x00' => {
+                '"' | '\x00' => {
                     break;
                 }
                 '\\' => {

tests/lexer/cases/comment.yaml

@@ -56,11 +56,9 @@ cases:
 
   - note: comments-within-rstring
     rego: |
-      #Comments aren't allowed within strings,
-      "#This is not a comment
-      "#c
-    tokens:
-    error: unmatched "
+      #Comments aren't lexed within raw strings.
+      "#This is not a comment"#c
+    tokens: ["#This is not a comment", ""]
 
   - note: comment-integer-break
     rego: |