Fix invalid escape sequences in test suite

test/tm-cases/link_patterns.opts

@@ -1,8 +1,7 @@
 {"extras": ["link-patterns"],
  "link_patterns": [
-    (re.compile("recipe\s+(\d+)", re.I), r"http://code.activestate.com/recipes/\1/"),
-    (re.compile("(?:komodo\s+)?bug\s+(\d+)", re.I), r"http://bugs.activestate.com/show_bug.cgi?id=\1"),
-    (re.compile("PEP\s+(\d+)", re.I), lambda m: "http://www.python.org/dev/peps/pep-%04d/" % int(m.group(1))),
+    (re.compile(r"recipe\s+(\d+)", re.I), r"http://code.activestate.com/recipes/\1/"),
+    (re.compile(r"(?:komodo\s+)?bug\s+(\d+)", re.I), r"http://bugs.activestate.com/show_bug.cgi?id=\1"),
+    (re.compile(r"PEP\s+(\d+)", re.I), lambda m: "http://www.python.org/dev/peps/pep-%04d/" % int(m.group(1))),
  ],
 }
-

test/tm-cases/link_patterns_double_hit.opts

@@ -1,7 +1,6 @@
 {"extras": ["link-patterns"],
  "link_patterns": [
     (re.compile(r'mozilla\s+bug\s+(\d+)', re.I), r'http://bugzilla.mozilla.org/show_bug.cgi?id=\1'),
-    (re.compile("(?:komodo\s+)?bug\s+(\d+)", re.I), r"http://bugs.activestate.com/show_bug.cgi?id=\1"),
+    (re.compile(r"(?:komodo\s+)?bug\s+(\d+)", re.I), r"http://bugs.activestate.com/show_bug.cgi?id=\1"),
  ],
 }
-

test/tm-cases/link_patterns_edge_cases.opts

@@ -1,7 +1,6 @@
 {"extras": ["link-patterns"],
  "link_patterns": [
-    (re.compile("Blah\s+(\d+)", re.I), r"http://foo.com/blah_blah_blah/\1"),
+    (re.compile(r"Blah\s+(\d+)", re.I), r"http://foo.com/blah_blah_blah/\1"),
     (re.compile("#([1-9][0-9]*)"), r"http://localhost/issue/\1"),
  ],
 }
-

test/tm-cases/link_patterns_escape.opts

@@ -1,8 +1,7 @@
 {"extras": ["link-patterns"],
  "link_patterns": [
-    (re.compile("recipe\s+(\d+)", re.I), r"http://code.activestate.com/recipes/\1/"),
-    (re.compile("(?:komodo\s+)?bug\s+(\d+)", re.I), r"http://bugs.activestate.com/show_bug.cgi?id=\1"),
-    (re.compile("PEP\s+(\d+)", re.I), lambda m: "http://www.python.org/dev/peps/pep-%04d/" % int(m.group(1))),
+    (re.compile(r"recipe\s+(\d+)", re.I), r"http://code.activestate.com/recipes/\1/"),
+    (re.compile(r"(?:komodo\s+)?bug\s+(\d+)", re.I), r"http://bugs.activestate.com/show_bug.cgi?id=\1"),
+    (re.compile(r"PEP\s+(\d+)", re.I), lambda m: "http://www.python.org/dev/peps/pep-%04d/" % int(m.group(1))),
  ],
 }
-

test/tm-cases/link_patterns_hash_matching_issue287.opts

@@ -1,7 +1,7 @@
 {"extras": ["link-patterns"],
  "link_patterns": [
-    (re.compile("#(\d+)", re.I), r"https://github.com/pyfa-org/Pyfa/issues/\1"),
-    (re.compile("@(\w+)", re.I), r"https://github.com/\1"),
+    (re.compile(r"#(\d+)", re.I), r"https://github.com/pyfa-org/Pyfa/issues/\1"),
+    (re.compile(r"@(\w+)", re.I), r"https://github.com/\1"),
     (re.compile("([0-9a-f]{6,40})", re.I), r"https://github.com/pyfa-org/Pyfa/commit/\1")
     ]
 }

test/tm-cases/link_patterns_markdown_syntax.opts

@@ -1,5 +1,5 @@
 {"extras": ["link-patterns"],
  "link_patterns": [
-    (re.compile("recipe\s+(\d+)", re.I), r"http://code.activestate.com/recipes/\1/"),
+    (re.compile(r"recipe\s+(\d+)", re.I), r"http://code.activestate.com/recipes/\1/"),
  ],
-}
+}