test: limit search for \r to first 100 bytes.

Don't scan entire file. just look at 100 bytes which should include
all of the first line.

Author: rouilj

test/test_admin.py

@@ -64,7 +64,7 @@ def find_in_file(filename, regexp):
 
     try:
         # handle text files with \r\n line endings
-        contents.index("\r")
+        contents.index("\r", 0, 100)
         contents = contents.replace("\r\n", "\n")
     except ValueError:
         pass

test/test_demo.py

@@ -54,7 +54,7 @@ def run_install_demo(self, template, db="anydbm"):
 
         try:
             # handle text files with \r\n line endings
-            config_lines.index("\r")
+            config_lines.index("\r", 0, 100)
             config_lines = config_lines.replace("\r\n", "\n")
         except ValueError:
             pass
@@ -99,7 +99,7 @@ def testDemoJinja(self):
 
         try:
             # handle text files with \r\n line endings
-            config_lines.index("\r")
+            config_lines.index("\r", 0, 100)
             config_lines = config_lines.replace("\r\n", "\n")
         except ValueError:
             pass