diff --git a/packages/eslint-plugin/tests/rules/key-spacing.test.ts b/packages/eslint-plugin/tests/rules/key-spacing.test.ts
index d3c96d293f9..d9aaf562c9d 100644
--- a/packages/eslint-plugin/tests/rules/key-spacing.test.ts
+++ b/packages/eslint-plugin/tests/rules/key-spacing.test.ts
@@ -328,6 +328,21 @@ interface X {
 interface X {
   a :   number;
   abc : string
+};
+      `,
+      options: [
+        {
+          align: { on: 'value', beforeColon: true, afterColon: true },
+          singleLine: { beforeColon: false, afterColon: false },
+          multiLine: { beforeColon: false, afterColon: false },
+        },
+      ],
+    },
+    {
+      code: `
+interface X {
+  a :   number;
+  abc : string
 };
       `,
       options: [
@@ -519,6 +534,22 @@ let x: {
     },
     {
       code: `
+let x: {
+  a: number;
+  abc: string
+};
+      `,
+      output: `
+let x: {
+  a:   number;
+  abc: string
+};
+      `,
+      options: [{ align: { on: 'value' } }],
+      errors: [{ messageId: 'missingValue' }],
+    },
+    {
+      code: `
 let x: {
   a: number;
   "🌷": "bar", // 2 code points
@@ -878,6 +909,22 @@ interface X {
 };
       `,
       output: `
+interface X {
+  a  : number;
+  abc: string
+};
+      `,
+      options: [{ align: { on: 'colon' } }],
+      errors: [{ messageId: 'extraKey' }],
+    },
+    {
+      code: `
+interface X {
+  a   : number;
+  abc: string
+};
+      `,
+      output: `
 interface X {
   a   : number;
   abc : string