diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index b7674ef0..b433912a 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -44,6 +44,9 @@ jobs:
         image: vertica/vertica-ce:latest
         ports: [ 5433 ]
     steps:
+      # https://github.com/orgs/community/discussions/25678#discussioncomment-5242449
+      - name: Free Disk Space
+        run: rm -rf /opt/hostedtoolcache
       - name: Start CockroachDB
         run: docker run -d -p 26257:26257 cockroachdb/cockroach:latest start-single-node --insecure
       - uses: actions/checkout@v3
diff --git a/.github/workflows/vertica.yml b/.github/workflows/vertica.yml
index 9115feda..b524bbd3 100644
--- a/.github/workflows/vertica.yml
+++ b/.github/workflows/vertica.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         include:
-         - { label: '12.0', version: 12.0.2-0, image: vertica/vertica-ce,     db: VMart }
+         - { label: '12.0', version: 12.0.4-0, image: vertica/vertica-ce,     db: VMart }
          - { label: '11.0', version: 11.1.1-0, image: vertica/vertica-ce,     db: VMart }
          - { label: '10.1', version: 10.1.1-0, image: vertica/vertica-ce,     db: VMart }
          - { label: '9.2',  version: 9.2.1-0,  image: cjonesy/docker-vertica, db: docker }
diff --git a/t/vertica.t b/t/vertica.t
index 4f56cdb8..3b42a582 100644
--- a/t/vertica.t
+++ b/t/vertica.t
@@ -217,7 +217,8 @@ is_deeply \@capture, [$vta->vsql, qw(foo bar baz)],
     'Command should be passed to capture()';
 
 ok $vta->_probe(qw(hi there)), 'Call _probe';
-is_deeply \@probe, [$vta->vsql, qw(hi there)];
+is_deeply \@probe, [$vta->vsql, qw(hi there)],
+    'Should have expected arguments to _probe';
 
 # Without password.
 $target = App::Sqitch::Target->new( sqitch => $sqitch );
@@ -236,8 +237,9 @@ ok $vta->_capture(qw(foo bar baz)), 'Call _capture again';
 is_deeply \@capture, [$vta->vsql, qw(foo bar baz)],
     'Command should be passed to capture() again';
 
-ok $vta->_probe(qw(go there)), 'Call _probe';
-is_deeply \@probe, [$vta->vsql, qw(go there)];
+ok $vta->_probe(qw(go there)), 'Call _probe again';
+is_deeply \@probe, [$vta->vsql, qw(go there)],
+    'Should again have expected arguments to _probe';
 
 ##############################################################################
 # Test file and handle running.