Assume sqlite3 always available in testing.

IPython/core/tests/test_run.py

@@ -248,10 +248,7 b' class TestMagicRunSimple(tt.TempFileMixin):'
                "        print('object A deleted')\n"
                "a = A()\n")
         self.mktmp(src)
-        if dec.module_not_available('sqlite3'):
-            err = 'WARNING: IPython History requires SQLite, your history will not be saved\n'
-        else:
-            err = None
+        err = None
         tt.ipexec_validate(self.fname, 'object A deleted', err)
     
     def test_aggressive_namespace_cleanup(self):
@@ -306,10 +303,7 b" ARGV 1-: ['C-third']"
 tclass.py: deleting object: C-second
 tclass.py: deleting object: C-third
 """
-        if dec.module_not_available('sqlite3'):
-            err = 'WARNING: IPython History requires SQLite, your history will not be saved\n'
-        else:
-            err = None
+        err = None
         tt.ipexec_validate(self.fname, out, err)
 
     def test_run_i_after_reset(self):

IPython/core/tests/test_shellapp.py

@@ -20,9 +20,6 b' import unittest'
 from IPython.testing import decorators as dec
 from IPython.testing import tools as tt
 
-sqlite_err_maybe = dec.module_not_available('sqlite3')
-SQLITE_NOT_AVAILABLE_ERROR = ('WARNING: IPython History requires SQLite,'
-                              ' your history will not be saved\n')
 
 class TestFileToRun(tt.TempFileMixin, unittest.TestCase):
     """Test the behavior of the file_to_run parameter."""
@@ -32,7 +29,7 b' class TestFileToRun(tt.TempFileMixin, unittest.TestCase):'
         src = "print(__file__)\n"
         self.mktmp(src)
 
-        err = SQLITE_NOT_AVAILABLE_ERROR if sqlite_err_maybe else None
+        err = None
         tt.ipexec_validate(self.fname, self.fname, err)
 
     def test_ipy_script_file_attribute(self):
@@ -40,7 +37,7 b' class TestFileToRun(tt.TempFileMixin, unittest.TestCase):'
         src = "print(__file__)\n"
         self.mktmp(src, ext='.ipy')
 
-        err = SQLITE_NOT_AVAILABLE_ERROR if sqlite_err_maybe else None
+        err = None
         tt.ipexec_validate(self.fname, self.fname, err)
 
     # The commands option to ipexec_validate doesn't work on Windows, and it