diff --git a/packages/e2e-test-utils-playwright/src/request-utils/plugins.ts b/packages/e2e-test-utils-playwright/src/request-utils/plugins.ts
index 5f1639f109d2e..f018d7d9f3903 100644
--- a/packages/e2e-test-utils-playwright/src/request-utils/plugins.ts
+++ b/packages/e2e-test-utils-playwright/src/request-utils/plugins.ts
@@ -27,25 +27,55 @@ async function getPluginsMap( this: RequestUtils, forceRefetch = false ) {
 	for ( const plugin of plugins ) {
 		// Ideally, we should be using sanitize_title() in PHP rather than kebabCase(),
 		// but we don't have the exact port of it in JS.
-		this.pluginsMap[ kebabCase( plugin.name ) ] = plugin.plugin;
+		// This is a good approximation though.
+		const slug = kebabCase( plugin.name.toLowerCase() );
+		this.pluginsMap[ slug ] = plugin.plugin;
 	}
 	return this.pluginsMap;
 }
 
 /**
- * Activates an installed plugin.
+ * Finds a plugin in the plugin map.
  *
- * @param this RequestUtils.
- * @param slug Plugin slug.
+ * Attempts to provide a helpful error message if not found.
+ *
+ * @param slug       Plugin slug.
+ * @param pluginsMap Plugins map.
  */
-async function activatePlugin( this: RequestUtils, slug: string ) {
-	const pluginsMap = await this.getPluginsMap();
+function getPluginFromMap(
+	slug: string,
+	pluginsMap: Record< string, string >
+) {
 	const plugin = pluginsMap[ slug ];
 
 	if ( ! plugin ) {
+		for ( const key of Object.keys( pluginsMap ) ) {
+			if (
+				key.toLowerCase().replace( /-/g, '' ) ===
+				slug.toLowerCase().replace( /-/g, '' )
+			) {
+				throw new Error(
+					`The plugin "${ slug }" isn't installed. Did you perhaps mean "${ key }"?`
+				);
+			}
+		}
+
 		throw new Error( `The plugin "${ slug }" isn't installed` );
 	}
 
+	return plugin;
+}
+
+/**
+ * Activates an installed plugin.
+ *
+ * @param this RequestUtils.
+ * @param slug Plugin slug.
+ */
+async function activatePlugin( this: RequestUtils, slug: string ) {
+	const pluginsMap = await this.getPluginsMap();
+	const plugin = getPluginFromMap( slug, pluginsMap );
+
 	await this.rest( {
 		method: 'PUT',
 		path: `/wp/v2/plugins/${ plugin }`,
@@ -61,11 +91,7 @@ async function activatePlugin( this: RequestUtils, slug: string ) {
  */
 async function deactivatePlugin( this: RequestUtils, slug: string ) {
 	const pluginsMap = await this.getPluginsMap();
-	const plugin = pluginsMap[ slug ];
-
-	if ( ! plugin ) {
-		throw new Error( `The plugin "${ slug }" isn't installed` );
-	}
+	const plugin = getPluginFromMap( slug, pluginsMap );
 
 	await this.rest( {
 		method: 'PUT',
diff --git a/test/e2e/specs/editor/plugins/inner-blocks-allowed-blocks.spec.js b/test/e2e/specs/editor/plugins/inner-blocks-allowed-blocks.spec.js
index a859a2204de03..a515ef68316e8 100644
--- a/test/e2e/specs/editor/plugins/inner-blocks-allowed-blocks.spec.js
+++ b/test/e2e/specs/editor/plugins/inner-blocks-allowed-blocks.spec.js
@@ -6,13 +6,13 @@ const { test, expect } = require( '@wordpress/e2e-test-utils-playwright' );
 test.describe( 'Allowed Blocks Setting on InnerBlocks', () => {
 	test.beforeAll( async ( { requestUtils } ) => {
 		await requestUtils.activatePlugin(
-			'gutenberg-test-inner-blocks-allowed-blocks'
+			'gutenberg-test-innerblocks-allowed-blocks'
 		);
 	} );
 
 	test.afterAll( async ( { requestUtils } ) => {
 		await requestUtils.deactivatePlugin(
-			'gutenberg-test-inner-blocks-allowed-blocks'
+			'gutenberg-test-innerblocks-allowed-blocks'
 		);
 	} );
 
diff --git a/test/e2e/specs/editor/various/inner-blocks-templates.spec.js b/test/e2e/specs/editor/various/inner-blocks-templates.spec.js
index bbb4a51c75c52..47ef0dfe74791 100644
--- a/test/e2e/specs/editor/various/inner-blocks-templates.spec.js
+++ b/test/e2e/specs/editor/various/inner-blocks-templates.spec.js
@@ -6,7 +6,7 @@ const { test, expect } = require( '@wordpress/e2e-test-utils-playwright' );
 test.describe( 'Inner blocks templates', () => {
 	test.beforeAll( async ( { requestUtils } ) => {
 		await requestUtils.activatePlugin(
-			'gutenberg-test-inner-blocks-templates'
+			'gutenberg-test-innerblocks-templates'
 		);
 	} );
 
@@ -16,7 +16,7 @@ test.describe( 'Inner blocks templates', () => {
 
 	test.afterAll( async ( { requestUtils } ) => {
 		await requestUtils.deactivatePlugin(
-			'gutenberg-test-inner-blocks-templates'
+			'gutenberg-test-innerblocks-templates'
 		);
 	} );