Fix tests

Author: ravi-mosaicml

tests/algorithms/test_algorithm_registry.py

@@ -10,7 +10,7 @@
                                  ProgressiveResizingHparams, RandAugmentHparams, SAMHparams, ScaleScheduleHparams,
                                  SelectiveBackpropHparams, SeqLengthWarmupHparams, SqueezeExciteHparams,
                                  StochasticDepthHparams, SWAHparams, algorithm_registry)
-from composer.algorithms.hparams import AGCHparams
+from composer.algorithms.hparams import AGCHparams, EMAHparams
 from composer.core.algorithm import Algorithm
 
 default_required_fields = {
@@ -40,6 +40,7 @@
         "p_col": 0.15,
         "batch": True,
     },
+    EMAHparams: {},
     FactorizeHparams: {
         "min_channels": 16,
         "latent_channels": 0.5,