diff --git a/.travis.yml b/.travis.yml
index 3c099ccc..373486a5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,14 +3,14 @@ dist: xenial
 language: python
 python:
   - 3.5
-  - 3.6
-  - 3.7
+#  - 3.6
+#  - 3.7
 
 env:
   - TEST=API
-  - TEST=E2E LANG="c_lang or python or java or go_lang or javascript or php"
-  - TEST=E2E LANG="c_sharp or visual_basic or powershell"
-  - TEST=E2E LANG="r_lang or dart"
+#  - TEST=E2E LANG="c_lang or python or java or go_lang or javascript or php"
+#  - TEST=E2E LANG="c_sharp or visual_basic or powershell"
+#  - TEST=E2E LANG="r_lang or dart"
 
 before_install:
   - bash .travis/setup.sh
diff --git a/tests/assemblers/test_linear.py b/tests/assemblers/test_linear.py
index 675901ca..250845cf 100644
--- a/tests/assemblers/test_linear.py
+++ b/tests/assemblers/test_linear.py
@@ -1,6 +1,7 @@
 import pytest
 import numpy as np
 import statsmodels.api as sm
+from statsmodels.regression.process_regression import ProcessMLE
 from lightning.regression import AdaGradRegressor
 from lightning.classification import AdaGradClassifier
 from sklearn import linear_model
@@ -321,6 +322,91 @@ def test_statsmodels_unknown_constant_position():
     assembler.assemble()
 
 
+def test_statsmodels_processmle():
+    estimator = utils.StatsmodelsSklearnLikeWrapper(
+        ProcessMLE,
+        dict(init=dict(exog_scale=np.ones(
+            (len(utils.get_regression_model_trainer().y_train), 2)),
+                       exog_smooth=np.ones(
+            (len(utils.get_regression_model_trainer().y_train), 2)),
+                       exog_noise=np.ones(
+            (len(utils.get_regression_model_trainer().y_train), 2)),
+                       time=np.kron(
+            np.ones(len(utils.get_regression_model_trainer().y_train) // 3),
+            np.arange(3)),
+                       groups=np.kron(
+            np.arange(len(utils.get_regression_model_trainer().y_train) // 3),
+            np.ones(3))),
+             fit=dict(maxiter=1)))
+    _, __, estimator = utils.get_regression_model_trainer()(estimator)
+
+    assembler = assemblers.ProcessMLEModelAssembler(estimator)
+    actual = assembler.assemble()
+
+    feature_weight_mul = [
+        ast.BinNumExpr(
+            ast.FeatureRef(0),
+            ast.NumVal(-0.0932673973),
+            ast.BinNumOpType.MUL),
+        ast.BinNumExpr(
+            ast.FeatureRef(1),
+            ast.NumVal(0.0480819091),
+            ast.BinNumOpType.MUL),
+        ast.BinNumExpr(
+            ast.FeatureRef(2),
+            ast.NumVal(-0.0063734439),
+            ast.BinNumOpType.MUL),
+        ast.BinNumExpr(
+            ast.FeatureRef(3),
+            ast.NumVal(2.7510656855),
+            ast.BinNumOpType.MUL),
+        ast.BinNumExpr(
+            ast.FeatureRef(4),
+            ast.NumVal(-3.0836268637),
+            ast.BinNumOpType.MUL),
+        ast.BinNumExpr(
+            ast.FeatureRef(5),
+            ast.NumVal(5.9605290000),
+            ast.BinNumOpType.MUL),
+        ast.BinNumExpr(
+            ast.FeatureRef(6),
+            ast.NumVal(-0.0077880716),
+            ast.BinNumOpType.MUL),
+        ast.BinNumExpr(
+            ast.FeatureRef(7),
+            ast.NumVal(-0.9685365627),
+            ast.BinNumOpType.MUL),
+        ast.BinNumExpr(
+            ast.FeatureRef(8),
+            ast.NumVal(0.1688777882),
+            ast.BinNumOpType.MUL),
+        ast.BinNumExpr(
+            ast.FeatureRef(9),
+            ast.NumVal(-0.0092446419),
+            ast.BinNumOpType.MUL),
+        ast.BinNumExpr(
+            ast.FeatureRef(10),
+            ast.NumVal(-0.3924930042),
+            ast.BinNumOpType.MUL),
+        ast.BinNumExpr(
+            ast.FeatureRef(11),
+            ast.NumVal(0.01506511708295605),
+            ast.BinNumOpType.MUL),
+        ast.BinNumExpr(
+            ast.FeatureRef(12),
+            ast.NumVal(-0.4177000096),
+            ast.BinNumOpType.MUL),
+    ]
+
+    expected = assemblers.utils.apply_op_to_expressions(
+        ast.BinNumOpType.ADD,
+        ast.NumVal(0.0),
+        *feature_weight_mul)
+    print(actual)
+    print(expected)
+    assert utils.cmp_exprs(actual, expected)
+
+
 def test_lightning_regression():
     estimator = AdaGradRegressor(random_state=1)
     utils.get_regression_model_trainer()(estimator)
diff --git a/tests/e2e/test_e2e.py b/tests/e2e/test_e2e.py
index 4948b8f5..514a3f60 100644
--- a/tests/e2e/test_e2e.py
+++ b/tests/e2e/test_e2e.py
@@ -280,18 +280,6 @@ def classification_binary_random(model):
         regression(utils.StatsmodelsSklearnLikeWrapper(
             sm.OLS,
             dict(fit_regularized=STATSMODELS_LINEAR_REGULARIZED_PARAMS))),
-        regression(utils.StatsmodelsSklearnLikeWrapper(
-            sm.QuantReg,
-            dict(init=dict(fit_intercept=True)))),
-        regression(utils.StatsmodelsSklearnLikeWrapper(
-            sm.WLS,
-            dict(init=dict(fit_intercept=True, weights=np.arange(
-                len(utils.get_regression_model_trainer().y_train)))))),
-        regression(utils.StatsmodelsSklearnLikeWrapper(
-            sm.WLS,
-            dict(init=dict(fit_intercept=True, weights=np.arange(
-                len(utils.get_regression_model_trainer().y_train))),
-                 fit_regularized=STATSMODELS_LINEAR_REGULARIZED_PARAMS))),
         regression(utils.StatsmodelsSklearnLikeWrapper(
             ProcessMLE,
             dict(init=dict(exog_scale=np.ones(
@@ -309,6 +297,18 @@ def classification_binary_random(model):
                     len(utils.get_regression_model_trainer().y_train) // 3),
                 np.ones(3))),
                  fit=dict(maxiter=2)))),
+        regression(utils.StatsmodelsSklearnLikeWrapper(
+            sm.QuantReg,
+            dict(init=dict(fit_intercept=True)))),
+        regression(utils.StatsmodelsSklearnLikeWrapper(
+            sm.WLS,
+            dict(init=dict(fit_intercept=True, weights=np.arange(
+                len(utils.get_regression_model_trainer().y_train)))))),
+        regression(utils.StatsmodelsSklearnLikeWrapper(
+            sm.WLS,
+            dict(init=dict(fit_intercept=True, weights=np.arange(
+                len(utils.get_regression_model_trainer().y_train))),
+                 fit_regularized=STATSMODELS_LINEAR_REGULARIZED_PARAMS))),
 
         # Lightning Linear Regression
         regression(light_reg.AdaGradRegressor(random_state=RANDOM_SEED)),