tests: Don't use integration test for artifact log

A non-integration test works just as well for this and is a lot quicker,
especially on WSL.

tests/frontend/artifact.py

+#
+#  Copyright (C) 2018 Codethink Limited
+#  Copyright (C) 2018 Bloomberg Finance LP
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU Lesser General Public
+#  License as published by the Free Software Foundation; either
+#  version 2 of the License, or (at your option) any later version.
+#
+#  This library is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#  Lesser General Public License for more details.
+#
+#  You should have received a copy of the GNU Lesser General Public
+#  License along with this library. If not, see <http://www.gnu.org/licenses/>.
+#
+#  Authors: Richard Maw <richard.maw@codethink.co.uk>
+#
+
+import os
+import pytest
+
+from buildstream.plugintestutils import cli
+
+
+# Project directory
+DATA_DIR = os.path.join(
+    os.path.dirname(os.path.realpath(__file__)),
+    "project",
+)
+
+
+@pytest.mark.datafiles(DATA_DIR)
+def test_artifact_log(cli, tmpdir, datafiles):
+    project = os.path.join(datafiles.dirname, datafiles.basename)
+
+    # Get the cache key of our test element
+    result = cli.run(project=project, silent=True, args=[
+        '--no-colors',
+        'show', '--deps', 'none', '--format', '%{full-key}',
+        'target.bst'
+    ])
+    key = result.output.strip()
+
+    # Ensure we have an artifact to read
+    result = cli.run(project=project, args=['build', 'target.bst'])
+    assert result.exit_code == 0
+
+    # Read the log via the element name
+    result = cli.run(project=project, args=['artifact', 'log', 'target.bst'])
+    assert result.exit_code == 0
+    log = result.output
+
+    # Read the log via the key
+    result = cli.run(project=project, args=['artifact', 'log', 'test/target/' + key])
+    assert result.exit_code == 0
+    assert log == result.output
+
+    # Read the log via glob
+    result = cli.run(project=project, args=['artifact', 'log', 'test/target/*'])
+    assert result.exit_code == 0
+    # The artifact is cached under both a strong key and a weak key
+    assert (log + log) == result.output

tests/integration/artifact.py

@@ -37,40 +37,6 @@ DATA_DIR = os.path.join(
 )
 
 
-@pytest.mark.integration
-@pytest.mark.datafiles(DATA_DIR)
-def test_artifact_log(cli, tmpdir, datafiles):
-    project = os.path.join(datafiles.dirname, datafiles.basename)
-
-    # Get the cache key of our test element
-    result = cli.run(project=project, silent=True, args=[
-        '--no-colors',
-        'show', '--deps', 'none', '--format', '%{full-key}',
-        'base.bst'
-    ])
-    key = result.output.strip()
-
-    # Ensure we have an artifact to read
-    result = cli.run(project=project, args=['build', 'base.bst'])
-    assert result.exit_code == 0
-
-    # Read the log via the element name
-    result = cli.run(project=project, args=['artifact', 'log', 'base.bst'])
-    assert result.exit_code == 0
-    log = result.output
-
-    # Read the log via the key
-    result = cli.run(project=project, args=['artifact', 'log', 'test/base/' + key])
-    assert result.exit_code == 0
-    assert log == result.output
-
-    # Read the log via glob
-    result = cli.run(project=project, args=['artifact', 'log', 'test/base/*'])
-    assert result.exit_code == 0
-    # The artifact is cached under both a strong key and a weak key
-    assert (log + log) == result.output
-
-
 # A test to capture the integration of the cachebuildtrees
 # behaviour, which by default is to include the buildtree
 # content of an element on caching.