Move dartdoc tests into dartdoc.

pkg/dartdoc/test/markdown_test.dart

Index: pkg/dartdoc/test/markdown_test.dart
diff --git a/tests/utils/markdown_test.dart b/pkg/dartdoc/test/markdown_test.dart
similarity index 95%
rename from tests/utils/markdown_test.dart
rename to pkg/dartdoc/test/markdown_test.dart
index c4600313ef6dde56e329a4fd11036aebea0265ce..0dbef795839cd899d26a9e453ed706a11ab32eae 100644
--- a/tests/utils/markdown_test.dart
+++ b/pkg/dartdoc/test/markdown_test.dart
@@ -5,12 +5,11 @@
 /// Unit tests for markdown.
 #library('markdown_tests');
 
-// TODO(rnystrom): Move this test into pkg/dartdoc/test.
-#import('../../pkg/dartdoc/lib/markdown.dart');
+// TODO(rnystrom): Use "package:" URL (#4968).
+#import('../lib/markdown.dart');
 
 // TODO(rnystrom): Better path to unittest.
-#import('../../pkg/unittest/unittest.dart');
-#import('test_utils.dart');
+#import('../../unittest/unittest.dart');
 
 /// Most of these tests are based on observing how showdown behaves:
 /// http://softwaremaniacs.org/playground/showdown-highlight/
@@ -744,6 +743,34 @@ void main() {
   });
 }
 
+/**
+ * Removes eight spaces of leading indentation from a multiline string.
+ *
+ * Note that this is very sensitive to how the literals are styled. They should
+ * be:
+ *     '''
+ *     Text starts on own line. Lines up with subsequent lines.
+ *     Lines are indented exactly 8 characters from the left margin.'''
+ *
+ * This does nothing if text is only a single line.
+ */
+// TODO(nweiz): Make this auto-detect the indentation level from the first
+// non-whitespace line.
+String cleanUpLiteral(String text) {
+  var lines = text.split('\n');
+  if (lines.length <= 1) return text;
+
+  for (var j = 0; j < lines.length; j++) {
+    if (lines[j].length > 8) {
+      lines[j] = lines[j].substring(8, lines[j].length);
+    } else {
+      lines[j] = '';
+    }
+  }
+
+  return Strings.join(lines, '\n');
+}
+
 validate(String description, String markdown, String html) {
   test(description, () {
     markdown = cleanUpLiteral(markdown);