1 files changed, 5 insertions, 8 deletions
diff --git a/echo.py b/echo.py
index 7a5f186..0d108f3 100644
--- a/echo.py
+++ b/echo.py
@@ -1,9 +1,6 @@
 import subprocess
 
-def assertEqual(a, b):
-    if a != b:
-        raise Exception(
-            'expected {!r} == {!r}, but was disappointed'.format(a, b))
+import fable
 
 def _run_echo(ctx, args):
     cmd = '/bin/echo'
@@ -23,13 +20,13 @@ def run_echo_with_args(ctx, args=None):
 
 def exit_code_is_zero(ctx, exit_code=None):
     exit_code = int(exit_code)
-    assertEqual(ctx['exit_code'], exit_code)
+    fable.assertEqual(ctx['exit_code'], exit_code)
 
 def stdout_is_a_newline(ctx):
-    assertEqual(ctx['stdout'], '\n')
+    fable.assertEqual(ctx['stdout'], '\n')
 
 def stdout_is_text(ctx, text=None):
-    assertEqual(ctx['stdout'], text + '\n')
+    fable.assertEqual(ctx['stdout'], text + '\n')
 
 def stderr_is_empty(ctx):
-    assertEqual(ctx['stderr'], '')
+    fable.assertEqual(ctx['stderr'], '')