scripts: cleanup terminology

BUG=b:234871595, b:234871348, b:234871421, b:234871422, b:234871555
TEST=pass CQ

Change-Id: I8b4913e1af3f439dbffa2b8e58becd12a86404b8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3698925
Tested-by: Sloan Johnson <sloanjohnson@google.com>
Auto-Submit: Sloan Johnson <sloanjohnson@google.com>
Reviewed-by: Sergey Frolov <sfrolov@google.com>
Commit-Queue: Sloan Johnson <sloanjohnson@google.com>
Commit-Queue: Sergey Frolov <sfrolov@google.com>
diff --git a/scripts/build_api_unittest.py b/scripts/build_api_unittest.py
index 4e1b888..eca6f6e 100644
--- a/scripts/build_api_unittest.py
+++ b/scripts/build_api_unittest.py
@@ -12,7 +12,7 @@
 
 
 def testSmoke(tmp_path, monkeypatch):
-  """Basic sanity check"""
+  """Basic confidence check"""
 
   def stub(*_args, **_kwargs):
     return True