diff --git a/test/merge/config/1.js b/test/merge/config/1.js
index 5051ea4b9d9..b09ad20ba61 100644
--- a/test/merge/config/1.js
+++ b/test/merge/config/1.js
@@ -1,6 +1,10 @@
+const WebpackCLITestPlugin = require('../../utils/webpack-cli-test-plugin');
+
 module.exports = {
-    entry: './old_entry.js',
+    entry: './first-entry.js',
+    mode: 'development',
     output: {
-        filename: 'badfile.js',
+        filename: 'first-output.js',
     },
+    plugins: [new WebpackCLITestPlugin()],
 };
diff --git a/test/merge/config/2.js b/test/merge/config/2.js
index 2c99fa4d4b7..cdf6f428467 100644
--- a/test/merge/config/2.js
+++ b/test/merge/config/2.js
@@ -1,6 +1,7 @@
 module.exports = {
-    entry: './some_entry.js',
+    entry: './second-entry.js',
+    target: 'node',
     output: {
-        filename: 'merged.js',
+        filename: 'second-output.js',
     },
 };
diff --git a/test/merge/config/3.js b/test/merge/config/3.js
new file mode 100644
index 00000000000..eb2a7d3a6f5
--- /dev/null
+++ b/test/merge/config/3.js
@@ -0,0 +1,6 @@
+module.exports = {
+    entry: './third-entry.js',
+    output: {
+        filename: 'third-output.js',
+    },
+};
diff --git a/test/merge/config/first-entry.js b/test/merge/config/first-entry.js
new file mode 100644
index 00000000000..e5ba023838e
--- /dev/null
+++ b/test/merge/config/first-entry.js
@@ -0,0 +1 @@
+console.log('first');
diff --git a/test/merge/config/merge-config.test.js b/test/merge/config/merge-config.test.js
index 916eb44c750..8ac300abb4c 100644
--- a/test/merge/config/merge-config.test.js
+++ b/test/merge/config/merge-config.test.js
@@ -8,7 +8,22 @@ describe('merge flag configuration', () => {
 
         expect(exitCode).toBe(0);
         expect(stderr).toBeFalsy();
-        expect(stdout).toContain('option has not been set, webpack will fallback to');
+        expect(stdout).toContain('WebpackCLITestPlugin'); // from 1.js
+        expect(stdout).toContain('second-output.js'); // from 2.js
+    });
+
+    it('merges more than two configurations together', () => {
+        const { exitCode, stderr, stdout } = run(
+            __dirname,
+            ['--config', './1.js', '--config', './2.js', '--config', './3.js', '--merge'],
+            false,
+        );
+
+        expect(exitCode).toBe(0);
+        expect(stderr).toBeFalsy();
+        expect(stdout).toContain('WebpackCLITestPlugin'); // from 1.js
+        expect(stdout).toContain("target: 'node'"); // from 2.js
+        expect(stdout).toContain('third-output.js'); // from 3.js
     });
 
     it('merges two configurations together with flag alias', () => {
@@ -16,11 +31,12 @@ describe('merge flag configuration', () => {
 
         expect(exitCode).toBe(0);
         expect(stderr).toBeFalsy();
-        expect(stdout).toContain('merged.js');
+        expect(stdout).toContain('WebpackCLITestPlugin'); // from 1.js
+        expect(stdout).toContain('second-output.js'); // from 2.js
     });
 
     it('fails when there are less than 2 configurations to merge', () => {
-        const { exitCode, stderr, stdout } = run(__dirname, ['--config', './1.js', '-m'], false);
+        const { exitCode, stderr, stdout } = run(__dirname, ['--config', './1.js', '--merge'], false);
 
         expect(exitCode).toBe(2);
         expect(stderr).toContain('At least two configurations are required for merge.');
diff --git a/test/merge/config/second-entry.js b/test/merge/config/second-entry.js
new file mode 100644
index 00000000000..e1595dffb00
--- /dev/null
+++ b/test/merge/config/second-entry.js
@@ -0,0 +1 @@
+console.log('second');
diff --git a/test/merge/config/some_entry.js b/test/merge/config/some_entry.js
deleted file mode 100644
index ad5fca8a5fd..00000000000
--- a/test/merge/config/some_entry.js
+++ /dev/null
@@ -1 +0,0 @@
-console.log('yass');
diff --git a/test/merge/config/third-entry.js b/test/merge/config/third-entry.js
new file mode 100644
index 00000000000..29134430a5e
--- /dev/null
+++ b/test/merge/config/third-entry.js
@@ -0,0 +1 @@
+console.log('third');