DEP: remove deprecate (and private) numpy.testing submodules.

Removes these files that were deprecated since 1.15.0:

- numpy/testing/decorators.py
- numpy/testing/noseclasses.py
- numpy/testing/nosetester.py

This also resolves a failure in the recently introduced tests
in `test_public_api.py` (see gh-14454).  Closes gh-14566

5 files changed, 5 insertions, 56 deletions

diff --git a/doc/source/reference/routines.testing.rst b/doc/source/reference/routines.testing.rst
index c676dec07..98ce3f377 100644
--- a/doc/source/reference/routines.testing.rst
+++ b/doc/source/reference/routines.testing.rst
@@ -37,11 +37,11 @@ Decorators
 .. autosummary::
    :toctree: generated/
 
-   decorators.deprecated
-   decorators.knownfailureif
-   decorators.setastest
-   decorators.skipif
-   decorators.slow
+   dec.deprecated
+   dec.knownfailureif
+   dec.setastest
+   dec.skipif
+   dec.slow
    decorate_methods
 
 Test Running
diff --git a/numpy/testing/decorators.py b/numpy/testing/decorators.py
deleted file mode 100644
index bf78be500..000000000
--- a/numpy/testing/decorators.py
+++ /dev/null
@@ -1,15 +0,0 @@
-"""
-Back compatibility decorators module. It will import the appropriate
-set of tools
-
-"""
-from __future__ import division, absolute_import, print_function
-
-import warnings
-
-# 2018-04-04, numpy 1.15.0
-warnings.warn("Importing from numpy.testing.decorators is deprecated "
-              "since numpy 1.15.0, import from numpy.testing instead.",
-              DeprecationWarning, stacklevel=2)
-
-from ._private.decorators import *
diff --git a/numpy/testing/noseclasses.py b/numpy/testing/noseclasses.py
deleted file mode 100644
index 5748a9a0f..000000000
--- a/numpy/testing/noseclasses.py
+++ /dev/null
@@ -1,14 +0,0 @@
-"""
-Back compatibility noseclasses module. It will import the appropriate
-set of tools
-"""
-from __future__ import division, absolute_import, print_function
-
-import warnings
-
-# 2018-04-04, numpy 1.15.0
-warnings.warn("Importing from numpy.testing.noseclasses is deprecated "
-              "since 1.15.0, import from numpy.testing instead",
-              DeprecationWarning, stacklevel=2)
-
-from ._private.noseclasses import *
diff --git a/numpy/testing/nosetester.py b/numpy/testing/nosetester.py
deleted file mode 100644
index 2ac212eee..000000000
--- a/numpy/testing/nosetester.py
+++ /dev/null
@@ -1,19 +0,0 @@
-"""
-Back compatibility nosetester module. It will import the appropriate
-set of tools
-
-"""
-from __future__ import division, absolute_import, print_function
-
-import warnings
-
-# 2018-04-04, numpy 1.15.0
-warnings.warn("Importing from numpy.testing.nosetester is deprecated "
-              "since 1.15.0, import from numpy.testing instead.",
-              DeprecationWarning, stacklevel=2)
-
-from ._private.nosetester import *
-
-__all__ = ['get_package_name', 'run_module_suite', 'NoseTester',
-           '_numpy_tester', 'get_package_name', 'import_nose',
-           'suppress_warnings']
diff --git a/numpy/tests/test_public_api.py b/numpy/tests/test_public_api.py
index e27d9b404..6de171dbb 100644
--- a/numpy/tests/test_public_api.py
+++ b/numpy/tests/test_public_api.py
@@ -313,9 +313,6 @@ PRIVATE_BUT_PRESENT_MODULES = ['numpy.' + s for s in [
     "random.pcg64",
     "random.philox",
     "random.sfc64",
-    "testing.decorators",
-    "testing.noseclasses",
-    "testing.nosetester",
     "testing.print_coercion_tables",
     "testing.utils",
 ]]