test fixes

Author: pekkaklarck

test/atest/dynamic.robot

@@ -38,5 +38,5 @@ Called with invalid arguments when arguments are known
     Passing    more    than    one    arg    not    accepted
 
 Called with invalid arguments when arguments are not known
-    [Documentation]    FAIL GLOB: TypeError: *returning* *0* *3*
+    [Documentation]    FAIL GLOB: TypeError: *returning* *3*
     Returning    too    many    arguments

test/utest/test_robotremoteserver.py

@@ -83,7 +83,7 @@ def run_keyword(self, name, args):
         return DynamicLibrary.run_keyword(self, name, args, kwargs)
 
     def _pop_kwargs(self, args):
-        while args and '=' in args[-1]:
+        while args and isinstance(args[-1], str) and '=' in args[-1]:
             yield args.pop().split('=', 1)