fix(tests): update dependency and remove unwanted method args

Author: Abbas-khaliq

lib/vwo/logger.rb

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'vwo'
+require 'logger'
 
 class VWO
   class Logger

tests/test_vwo.rb

@@ -35,7 +35,7 @@ def stub_and_raise(fn_name, raise_error)
 
 class VWO
   class Logger
-    def log(level, message, params, disable_logs = false)
+    def log(level, message)
       # no-op
     end
   end