BuildAPI: Unit test cleanup / additions

BUG=none
TEST=manual,run_tests

Change-Id: I6c2056531bd1ea0f9209264edbf9295671f31697
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/1987853
Tested-by: Michael Mortensen <mmortensen@google.com>
Reviewed-by: Alex Klein <saklein@chromium.org>
Commit-Queue: Michael Mortensen <mmortensen@google.com>
diff --git a/api/controller/dependency_unittest.py b/api/controller/dependency_unittest.py
index 459175f..a350a24 100644
--- a/api/controller/dependency_unittest.py
+++ b/api/controller/dependency_unittest.py
@@ -15,8 +15,8 @@
 from chromite.service import dependency as dependency_service
 
 
-class BoardBuilDependencyTest(cros_test_lib.MockTestCase,
-                              api_config.ApiConfigMixin):
+class BoardBuildDependencyTest(cros_test_lib.MockTestCase,
+                               api_config.ApiConfigMixin):
   """Unittests for board_build_dependency."""
 
   def setUp(self):