Install prophet during linux nightlies (#2598)

* Install prophet during nightlies

* Fix test_all_components

* Run right branch

* Revert nightly changes

* Add comments to test_all_components

.github/workflows/linux_nightlies.yml

@@ -31,8 +31,21 @@ jobs:
           virtualenv test_python -q
           source test_python/bin/activate
           python -m pip install --upgrade pip -q
-      - name: Installing Latest Dependency Versions
+      - if: ${{ (matrix.command == 'git-test-automl' || matrix.command == 'git-test-other') }}
+        name: Installing Latest Dependencies and Prophet
         run: |
+          pip install virtualenv
+          virtualenv test_python -q
+          source test_python/bin/activate
+          pip install cmdstan-builder==0.0.4
+          make installdeps
+          make installdeps-test
+          pip freeze
+      - if: ${{ (matrix.command == 'git-test-modelunderstanding' || matrix.command == 'git-test-dask') }}
+        name: Installing Latest Dependencies
+        run: |
+          pip install virtualenv
+          virtualenv test_python -q
           source test_python/bin/activate
           make installdeps
           make installdeps-test

docs/source/release_notes.rst

@@ -8,6 +8,7 @@ Release Notes
     * Documentation Changes
     * Testing Changes
         * Changed the lint CI job to only check against python 3.9 via the `-t` flag :pr:`2586`
+        * Installed Prophet in linux nightlies test and fixed ``test_all_components`` :pr:`2598`
 
 .. warning::
 

evalml/tests/component_tests/test_utils.py

@@ -31,12 +31,24 @@ def test_all_components(
     is_using_conda,
     is_using_windows,
 ):
+    # The total number of minimal components is 41
+    # The total number of components is 54
+    # Depending on the environment the detrender/Arima and/or Prophet will not be installed
+
     if has_minimal_dependencies:
         n_components = 41
     elif is_using_conda:
+        # No prophet and no arima
         n_components = 52
-    elif is_running_py_39_or_above or is_using_windows:
+    elif is_using_windows and not is_running_py_39_or_above:
+        # No prophet
         n_components = 53
+    elif is_using_windows and is_running_py_39_or_above:
+        # No detrender, no arima, no prophet
+        n_components = 51
+    elif not is_using_windows and is_running_py_39_or_above:
+        # No detrender or arima
+        n_components = 52
     else:
         n_components = 54
     assert len(all_components()) == n_components