diff --git a/src/test/java/org/htmlunit/general/ElementOwnPropertiesTest.java b/src/test/java/org/htmlunit/general/ElementOwnPropertiesTest.java
index a4af5efe78..5d4bab5d50 100644
--- a/src/test/java/org/htmlunit/general/ElementOwnPropertiesTest.java
+++ b/src/test/java/org/htmlunit/general/ElementOwnPropertiesTest.java
@@ -18070,4 +18070,60 @@ public void fileList() throws Exception {
     public void fileList2() throws Exception {
         testString("", "document.getElementById('fileItem').files");
     }
+
+    /**
+     * Test {@link org.htmlunit.javascript.host.PluginArray}.
+     *
+     * @throws Exception if an error occurs
+     */
+    @Test
+    @Alerts(CHROME = "constructor(),item(),length[GCE],namedItem(),refresh()",
+            EDGE = "constructor(),item(),length[GCE],namedItem(),refresh()",
+            FF = "constructor(),item(),length[GCE],namedItem(),refresh()",
+            FF_ESR = "constructor(),item(),length[GCE],namedItem(),refresh()")
+    public void pluginArray() throws Exception {
+        testString("", "navigator.plugins");
+    }
+
+    /**
+     * Test {@link org.htmlunit.javascript.host.Plugin}.
+     *
+     * @throws Exception if an error occurs
+     */
+    @Test
+    @Alerts(CHROME = "constructor(),description[GCE],filename[GCE],item(),length[GCE],name[GCE],namedItem()",
+            EDGE = "constructor(),description[GCE],filename[GCE],item(),length[GCE],name[GCE],namedItem()",
+            FF = "constructor(),description[GCE],filename[GCE],item(),length[GCE],name[GCE],namedItem()",
+            FF_ESR = "constructor(),description[GCE],filename[GCE],item(),length[GCE],name[GCE],namedItem()")
+    public void plugin() throws Exception {
+        testString("", "navigator.plugins[0]");
+    }
+
+    /**
+     * Test {@link org.htmlunit.javascript.host.MimeTypeArray}.
+     *
+     * @throws Exception if an error occurs
+     */
+    @Test
+    @Alerts(CHROME = "constructor(),item(),length[GCE],namedItem()",
+            EDGE = "constructor(),item(),length[GCE],namedItem()",
+            FF = "constructor(),item(),length[GCE],namedItem()",
+            FF_ESR = "constructor(),item(),length[GCE],namedItem()")
+    public void mimeTypeArray() throws Exception {
+        testString("", "navigator.mimeTypes");
+    }
+
+    /**
+     * Test {@link org.htmlunit.javascript.host.MimeType}.
+     *
+     * @throws Exception if an error occurs
+     */
+    @Test
+    @Alerts(CHROME = "constructor(),description[GCE],enabledPlugin[GCE],suffixes[GCE],type[GCE]",
+            EDGE = "constructor(),description[GCE],enabledPlugin[GCE],suffixes[GCE],type[GCE]",
+            FF = "constructor(),description[GCE],enabledPlugin[GCE],suffixes[GCE],type[GCE]",
+            FF_ESR = "constructor(),description[GCE],enabledPlugin[GCE],suffixes[GCE],type[GCE]")
+    public void mimeType() throws Exception {
+        testString("", "navigator.mimeTypes[0]");
+    }
 }
diff --git a/src/test/java/org/htmlunit/general/ElementOwnPropertySymbolsTest.java b/src/test/java/org/htmlunit/general/ElementOwnPropertySymbolsTest.java
index ecf9fc7988..4736d8a1bb 100644
--- a/src/test/java/org/htmlunit/general/ElementOwnPropertySymbolsTest.java
+++ b/src/test/java/org/htmlunit/general/ElementOwnPropertySymbolsTest.java
@@ -3215,4 +3215,60 @@ public void fileList() throws Exception {
     public void fileList2() throws Exception {
         testString("", "document.getElementById('fileItem').files");
     }
+
+    /**
+     * Test {@link org.htmlunit.javascript.host.PluginArray}.
+     *
+     * @throws Exception if an error occurs
+     */
+    @Test
+    @Alerts(CHROME = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [PluginArray]",
+            EDGE = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [PluginArray]",
+            FF = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [PluginArray]",
+            FF_ESR = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [PluginArray]")
+    public void pluginArray() throws Exception {
+        testString("", "navigator.plugins");
+    }
+
+    /**
+     * Test {@link org.htmlunit.javascript.host.Plugin}.
+     *
+     * @throws Exception if an error occurs
+     */
+    @Test
+    @Alerts(CHROME = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [Plugin]",
+            EDGE = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [Plugin]",
+            FF = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [Plugin]",
+            FF_ESR = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [Plugin]")
+    public void plugin() throws Exception {
+        testString("", "navigator.plugins[0]");
+    }
+
+    /**
+     * Test {@link org.htmlunit.javascript.host.MimeTypeArray}.
+     *
+     * @throws Exception if an error occurs
+     */
+    @Test
+    @Alerts(CHROME = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [MimeTypeArray]",
+            EDGE = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [MimeTypeArray]",
+            FF = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [MimeTypeArray]",
+            FF_ESR = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [MimeTypeArray]")
+    public void mimeTypeArray() throws Exception {
+        testString("", "navigator.mimeTypes");
+    }
+
+    /**
+     * Test {@link org.htmlunit.javascript.host.MimeType}.
+     *
+     * @throws Exception if an error occurs
+     */
+    @Test
+    @Alerts(CHROME = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [MimeType]",
+            EDGE = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [MimeType]",
+            FF = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [MimeType]",
+            FF_ESR = "Symbol(Symbol.iterator) [WC] [function],Symbol(Symbol.toStringTag) [C] [MimeType]")
+    public void mimeType() throws Exception {
+        testString("", "navigator.mimeTypes[0]");
+    }
 }
diff --git a/src/test/java/org/htmlunit/general/ElementPropertiesTest.java b/src/test/java/org/htmlunit/general/ElementPropertiesTest.java
index 64f4e5726c..d91b864c0c 100644
--- a/src/test/java/org/htmlunit/general/ElementPropertiesTest.java
+++ b/src/test/java/org/htmlunit/general/ElementPropertiesTest.java
@@ -9181,4 +9181,60 @@ public void fileList() throws Exception {
     public void fileList2() throws Exception {
         testString("", "document.getElementById('fileItem').files");
     }
+
+    /**
+     * Test {@link org.htmlunit.javascript.host.PluginArray}.
+     *
+     * @throws Exception if an error occurs
+     */
+    @Test
+    @Alerts(CHROME = "0,1,2,3,4,item(),length,namedItem(),refresh()",
+            EDGE = "0,1,2,3,4,item(),length,namedItem(),refresh()",
+            FF = "0,1,2,3,4,item(),length,namedItem(),refresh()",
+            FF_ESR = "0,1,2,3,4,item(),length,namedItem(),refresh()")
+    public void pluginArray() throws Exception {
+        testString("", "navigator.plugins");
+    }
+
+    /**
+     * Test {@link org.htmlunit.javascript.host.Plugin}.
+     *
+     * @throws Exception if an error occurs
+     */
+    @Test
+    @Alerts(CHROME = "0,1,description,filename,item(),length,name,namedItem()",
+            EDGE = "0,1,description,filename,item(),length,name,namedItem()",
+            FF = "0,1,description,filename,item(),length,name,namedItem()",
+            FF_ESR = "0,1,description,filename,item(),length,name,namedItem()")
+    public void plugin() throws Exception {
+        testString("", "navigator.plugins[0]");
+    }
+
+    /**
+     * Test {@link org.htmlunit.javascript.host.MimeTypeArray}.
+     *
+     * @throws Exception if an error occurs
+     */
+    @Test
+    @Alerts(CHROME = "0,1,item(),length,namedItem()",
+            EDGE = "0,1,item(),length,namedItem()",
+            FF = "0,1,item(),length,namedItem()",
+            FF_ESR = "0,1,item(),length,namedItem()")
+    public void mimeTypeArray() throws Exception {
+        testString("", "navigator.mimeTypes");
+    }
+
+    /**
+     * Test {@link org.htmlunit.javascript.host.MimeType}.
+     *
+     * @throws Exception if an error occurs
+     */
+    @Test
+    @Alerts(CHROME = "description,enabledPlugin,suffixes,type",
+            EDGE = "description,enabledPlugin,suffixes,type",
+            FF = "description,enabledPlugin,suffixes,type",
+            FF_ESR = "description,enabledPlugin,suffixes,type")
+    public void mimeType() throws Exception {
+        testString("", "navigator.mimeTypes[0]");
+    }
 }