diff --git a/test/functional/sqlsrv/MsHelper.inc b/test/functional/sqlsrv/MsHelper.inc
index c9d18688..cdff8764 100644
--- a/test/functional/sqlsrv/MsHelper.inc
+++ b/test/functional/sqlsrv/MsHelper.inc
@@ -740,7 +740,11 @@ function insertTestRow($conn, $tbname, $index)
                 $value = $value[0];
                 // this might be an input to a decimal, a numeric or a binary field
                 if (isBinary($col)) {
-                    $value = "0x" . $value;    // annotate the input string as a hex string
+                    if (!is_null($value)) {
+                        $value = "0x" . $value;    // annotate the input string as a hex string
+                    } else {
+                        $value = null;
+                    }
                 }
             }
             if (is_null($value)) {
diff --git a/test/functional/sqlsrv/TC43_FetchData.phpt b/test/functional/sqlsrv/TC43_FetchData.phpt
index 0e6c6a0d..23bf92b8 100644
--- a/test/functional/sqlsrv/TC43_FetchData.phpt
+++ b/test/functional/sqlsrv/TC43_FetchData.phpt
@@ -23,7 +23,7 @@ function fetchFields()
     AE\createTestTable($conn1, $tableName);
 
     $startRow = 1;
-    $noRows = 14; // 20;
+    $noRows = 20;
     AE\insertTestRowsByRange($conn1, $tableName, $startRow, $startRow + $noRows - 1);
 
     $query = "SELECT * FROM [$tableName] ORDER BY c27_timestamp";
@@ -50,7 +50,6 @@ function fetchFields()
                 // should check data even if $fld is null
                 $data = AE\getInsertData($startRow + $i, $col);
                 if (!checkData($col, $fld, $data, isBinary($col))) {
-                    // echo("\nData error\nExpected:\n$data\nActual:\n$fld\n");
                     echo("\nData error\nExpected:\n");
                     var_dump($data);
                     echo("\nActual:\n");
@@ -76,7 +75,7 @@ function checkData($col, $actual, $expected, $isBinary)
     
     // First check for nulls
     if (is_null($expected)) {
-        $success = ($isBinary) ? empty($actual) : is_null($actual);
+        $success = is_null($actual);
         if (!$success) {
             trace("\nData error\nExpected null but Actual:\n$actual\n");
         }
diff --git a/test/functional/sqlsrv/TC51_StreamRead.phpt b/test/functional/sqlsrv/TC51_StreamRead.phpt
index 4a61216d..565e41fe 100644
--- a/test/functional/sqlsrv/TC51_StreamRead.phpt
+++ b/test/functional/sqlsrv/TC51_StreamRead.phpt
@@ -129,8 +129,7 @@ startTest($testName);
 if (isLocaleSupported()) {
     try {
         setUTF8Data(false);
-        // streamRead(20, 1);
-        streamRead(14, 1);
+        streamRead(20, 1);
     } catch (Exception $e) {
         echo $e->getMessage();
     }
@@ -142,8 +141,7 @@ startTest($testName);
 try {
     setUTF8Data(true);
     resetLocaleToDefault();
-    // streamRead(20, 1);
-    streamRead(14, 1);
+    streamRead(20, 1);
 } catch (Exception $e) {
     echo $e->getMessage();
 }
diff --git a/test/functional/sqlsrv/TC55_StreamScrollable.phpt b/test/functional/sqlsrv/TC55_StreamScrollable.phpt
index ad14bd69..4fde1464 100644
--- a/test/functional/sqlsrv/TC55_StreamScrollable.phpt
+++ b/test/functional/sqlsrv/TC55_StreamScrollable.phpt
@@ -152,8 +152,7 @@ startTest($testName);
 if (isLocaleSupported()) {
     try {
         setUTF8Data(false);
-        // streamScroll(20, 1);
-        streamScroll(14, 1);
+        streamScroll(20, 1);
     } catch (Exception $e) {
         echo $e->getMessage();
     }
@@ -165,8 +164,7 @@ startTest($testName);
 try {
     setUTF8Data(true);
     resetLocaleToDefault();
-    // streamScroll(20, 1);
-    streamScroll(14, 1);
+    streamScroll(20, 1);
 } catch (Exception $e) {
     echo $e->getMessage();
 }