diff --git a/tests/cases/Db/BaseResult.php b/tests/cases/Db/BaseResult.php
index 7d63af2..a43956d 100644
--- a/tests/cases/Db/BaseResult.php
+++ b/tests/cases/Db/BaseResult.php
@@ -133,13 +133,13 @@ abstract class BaseResult extends \JKingWeb\Arsse\Test\AbstractTest {
 
     public function testGetBlobRow(): void {
         $exp = ['blob' => hex2bin("DEADBEEF")];
-        $test = new $this->resultClass(...$this->makeResult(self::$selectBlob));
+        $test = new $this->resultClass(...$this->makeResult(static::$selectBlob));
         $this->assertEquals($exp, $test->getRow());
     }
 
     public function testGetBlobValue(): void {
         $exp = hex2bin("DEADBEEF");
-        $test = new $this->resultClass(...$this->makeResult(self::$selectBlob));
+        $test = new $this->resultClass(...$this->makeResult(static::$selectBlob));
         $this->assertEquals($exp, $test->getValue());
     }
 }
diff --git a/tests/cases/Db/PostgreSQL/TestResult.php b/tests/cases/Db/PostgreSQL/TestResult.php
index 73dd8fb..658228e 100644
--- a/tests/cases/Db/PostgreSQL/TestResult.php
+++ b/tests/cases/Db/PostgreSQL/TestResult.php
@@ -30,16 +30,4 @@ class TestResult extends \JKingWeb\Arsse\TestCase\Db\BaseResult {
         }
         parent::tearDownAfterClass();
     }
-
-    public function testGetBlobRow(): void {
-        $exp = ['blob' => hex2bin("DEADBEEF")];
-        $test = new $this->resultClass(...$this->makeResult(self::$selectBlob));
-        $this->assertEquals($exp, $test->getRow());
-    }
-
-    public function testGetBlobValue(): void {
-        $exp = hex2bin("DEADBEEF");
-        $test = new $this->resultClass(...$this->makeResult(self::$selectBlob));
-        $this->assertEquals($exp, $test->getValue());
-    }
 }
diff --git a/tests/cases/Db/PostgreSQLPDO/TestResult.php b/tests/cases/Db/PostgreSQLPDO/TestResult.php
index c810b71..caddba7 100644
--- a/tests/cases/Db/PostgreSQLPDO/TestResult.php
+++ b/tests/cases/Db/PostgreSQLPDO/TestResult.php
@@ -21,16 +21,4 @@ class TestResult extends \JKingWeb\Arsse\TestCase\Db\BaseResult {
         $set = static::$interface->query($q);
         return [static::$interface, $set];
     }
-
-    public function testGetBlobRow(): void {
-        $exp = ['blob' => hex2bin("DEADBEEF")];
-        $test = new $this->resultClass(...$this->makeResult(self::$selectBlob));
-        $this->assertEquals($exp, $test->getRow());
-    }
-
-    public function testGetBlobValue(): void {
-        $exp = hex2bin("DEADBEEF");
-        $test = new $this->resultClass(...$this->makeResult(self::$selectBlob));
-        $this->assertSame($exp, $test->getValue());
-    }
 }