diff --git a/src/test/spec/json/uri-options/read-preference-options.json b/src/test/spec/json/uri-options/read-preference-options.json
index e62ce4fa7..1158d224f 100644
--- a/src/test/spec/json/uri-options/read-preference-options.json
+++ b/src/test/spec/json/uri-options/read-preference-options.json
@@ -21,6 +21,36 @@
         "maxStalenessSeconds": 120
       }
     },
+    {
+      "description": "Single readPreferenceTags is parsed as array of size one",
+      "uri": "mongodb://example.com/?readPreference=secondary&readPreferenceTags=dc:ny",
+      "valid": true,
+      "warning": false,
+      "hosts": null,
+      "auth": null,
+      "options": {
+        "readPreferenceTags": [
+          {
+            "dc": "ny"
+          }
+        ]
+      }
+    },
+    {
+      "description": "Read preference tags are case sensitive",
+      "uri": "mongodb://example.com/?readPreference=secondary&readPreferenceTags=dc:NY",
+      "valid": true,
+      "warning": false,
+      "hosts": null,
+      "auth": null,
+      "options": {
+        "readPreferenceTags": [
+          {
+            "dc": "NY"
+          }
+        ]
+      }
+    },
     {
       "description": "Invalid readPreferenceTags causes a warning",
       "uri": "mongodb://example.com/?readPreferenceTags=invalid",
@@ -28,7 +58,7 @@
       "warning": true,
       "hosts": null,
       "auth": null,
-      "options": {}
+      "options": null
     },
     {
       "description": "Non-numeric maxStalenessSeconds causes a warning",
@@ -37,7 +67,7 @@
       "warning": true,
       "hosts": null,
       "auth": null,
-      "options": {}
+      "options": null
     },
     {
       "description": "Too low maxStalenessSeconds causes a warning",
@@ -46,7 +76,7 @@
       "warning": true,
       "hosts": null,
       "auth": null,
-      "options": {}
+      "options": null
     }
   ]
-}
+}
\ No newline at end of file
diff --git a/src/test/spec/json/uri-options/read-preference-options.yml b/src/test/spec/json/uri-options/read-preference-options.yml
index f197a8b1f..465527497 100644
--- a/src/test/spec/json/uri-options/read-preference-options.yml
+++ b/src/test/spec/json/uri-options/read-preference-options.yml
@@ -9,12 +9,34 @@ tests:
         options:
             readPreference: "primaryPreferred"
             readPreferenceTags:
-                - 
+                -
                     dc: "ny"
                     rack: "1"
                 -
                     dc: "ny"
             maxStalenessSeconds: 120
+    -
+        description: "Single readPreferenceTags is parsed as array of size one"
+        uri: "mongodb://example.com/?readPreference=secondary&readPreferenceTags=dc:ny"
+        valid: true
+        warning: false
+        hosts: ~
+        auth: ~
+        options:
+            readPreferenceTags:
+                -
+                    dc: "ny"
+    -
+        description: "Read preference tags are case sensitive"
+        uri: "mongodb://example.com/?readPreference=secondary&readPreferenceTags=dc:NY"
+        valid: true
+        warning: false
+        hosts: ~
+        auth: ~
+        options:
+            readPreferenceTags:
+                -
+                    dc: "NY"
     -
         description: "Invalid readPreferenceTags causes a warning"
         uri: "mongodb://example.com/?readPreferenceTags=invalid"
@@ -22,7 +44,7 @@ tests:
         warning: true
         hosts: ~
         auth: ~
-        options: {}
+        options: ~
     -
         description: "Non-numeric maxStalenessSeconds causes a warning"
         uri: "mongodb://example.com/?maxStalenessSeconds=invalid"
@@ -30,7 +52,7 @@ tests:
         warning: true
         hosts: ~
         auth: ~
-        options: {}
+        options: ~
     -
         description: "Too low maxStalenessSeconds causes a warning"
         uri: "mongodb://example.com/?maxStalenessSeconds=-2"
@@ -38,5 +60,4 @@ tests:
         warning: true
         hosts: ~
         auth: ~
-        options: {}
-
+        options: ~