delete device testcase + test improvements

Change-Id: Ia2b6d5c2912e5c513e2ac08efa1a691a89d4c5c0
diff --git a/Makefile b/Makefile
index efc6c38..8aacf10 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-LINT_ARGS           ?= --verbose --configure LineTooLong:130 --ignore TooFewTestSteps --ignore TooFewKeywordSteps
+LINT_ARGS           ?= --verbose --configure LineTooLong:130 --configure TooManyTestSteps:15 --ignore TooFewTestSteps --ignore TooFewKeywordSteps
 
 
 lint: