diff --git a/src/commands/sandbox-formatters.e2e.test.ts b/src/commands/sandbox-formatters.e2e.test.ts
index b0aed042f..253c682b2 100644
--- a/src/commands/sandbox-formatters.e2e.test.ts
+++ b/src/commands/sandbox-formatters.e2e.test.ts
@@ -13,134 +13,116 @@ const formatAge = (ms: number) => formatDurationCompact(ms, { spaced: true }) ??
 
 describe("sandbox-formatters", () => {
   describe("formatStatus", () => {
-    it("should format running status", () => {
-      expect(formatStatus(true)).toBe("🟢 running");
-    });
-
-    it("should format stopped status", () => {
-      expect(formatStatus(false)).toBe("⚫ stopped");
+    it.each([
+      { running: true, expected: "🟢 running" },
+      { running: false, expected: "⚫ stopped" },
+    ])("formats running=$running", ({ running, expected }) => {
+      expect(formatStatus(running)).toBe(expected);
     });
   });
 
   describe("formatSimpleStatus", () => {
-    it("should format running status without emoji", () => {
-      expect(formatSimpleStatus(true)).toBe("running");
-    });
-
-    it("should format stopped status without emoji", () => {
-      expect(formatSimpleStatus(false)).toBe("stopped");
+    it.each([
+      { running: true, expected: "running" },
+      { running: false, expected: "stopped" },
+    ])("formats running=$running without emoji", ({ running, expected }) => {
+      expect(formatSimpleStatus(running)).toBe(expected);
     });
   });
 
   describe("formatImageMatch", () => {
-    it("should format matching image", () => {
-      expect(formatImageMatch(true)).toBe("✓");
-    });
-
-    it("should format mismatched image", () => {
-      expect(formatImageMatch(false)).toBe("⚠️  mismatch");
+    it.each([
+      { imageMatch: true, expected: "✓" },
+      { imageMatch: false, expected: "⚠️  mismatch" },
+    ])("formats imageMatch=$imageMatch", ({ imageMatch, expected }) => {
+      expect(formatImageMatch(imageMatch)).toBe(expected);
     });
   });
 
   describe("formatAge", () => {
-    it("should format seconds", () => {
-      expect(formatAge(5000)).toBe("5s");
-      expect(formatAge(45000)).toBe("45s");
-    });
-
-    it("should format minutes", () => {
-      expect(formatAge(60000)).toBe("1m");
-      expect(formatAge(90000)).toBe("1m 30s"); // 90 seconds = 1m 30s
-      expect(formatAge(300000)).toBe("5m");
-    });
-
-    it("should format hours and minutes", () => {
-      expect(formatAge(3600000)).toBe("1h");
-      expect(formatAge(3660000)).toBe("1h 1m");
-      expect(formatAge(7200000)).toBe("2h");
-      expect(formatAge(5400000)).toBe("1h 30m");
-    });
-
-    it("should format days and hours", () => {
-      expect(formatAge(86400000)).toBe("1d");
-      expect(formatAge(90000000)).toBe("1d 1h");
-      expect(formatAge(172800000)).toBe("2d");
-      expect(formatAge(183600000)).toBe("2d 3h");
-    });
-
-    it("should handle zero", () => {
-      expect(formatAge(0)).toBe("0s");
-    });
-
-    it("should handle edge cases", () => {
-      expect(formatAge(59999)).toBe("1m"); // Rounds to 1 minute exactly
-      expect(formatAge(3599999)).toBe("1h"); // Rounds to 1 hour exactly
-      expect(formatAge(86399999)).toBe("1d"); // Rounds to 1 day exactly
+    it.each([
+      { ms: 0, expected: "0s" },
+      { ms: 5000, expected: "5s" },
+      { ms: 45000, expected: "45s" },
+      { ms: 60000, expected: "1m" },
+      { ms: 90000, expected: "1m 30s" }, // 90 seconds = 1m 30s
+      { ms: 300000, expected: "5m" },
+      { ms: 3600000, expected: "1h" },
+      { ms: 3660000, expected: "1h 1m" },
+      { ms: 5400000, expected: "1h 30m" },
+      { ms: 7200000, expected: "2h" },
+      { ms: 86400000, expected: "1d" },
+      { ms: 90000000, expected: "1d 1h" },
+      { ms: 172800000, expected: "2d" },
+      { ms: 183600000, expected: "2d 3h" },
+      { ms: 59999, expected: "1m" }, // Rounds to 1 minute exactly
+      { ms: 3599999, expected: "1h" }, // Rounds to 1 hour exactly
+      { ms: 86399999, expected: "1d" }, // Rounds to 1 day exactly
+    ])("formats $ms ms", ({ ms, expected }) => {
+      expect(formatAge(ms)).toBe(expected);
     });
   });
 
   describe("countRunning", () => {
-    it("should count running items", () => {
-      const items = [
-        { running: true, name: "a" },
-        { running: false, name: "b" },
-        { running: true, name: "c" },
-        { running: false, name: "d" },
-      ];
-
-      expect(countRunning(items)).toBe(2);
-    });
-
-    it("should return 0 when no items running", () => {
-      const items = [
-        { running: false, name: "a" },
-        { running: false, name: "b" },
-      ];
-
-      expect(countRunning(items)).toBe(0);
-    });
-
-    it("should count all when all running", () => {
-      const items = [
-        { running: true, name: "a" },
-        { running: true, name: "b" },
-        { running: true, name: "c" },
-      ];
-
-      expect(countRunning(items)).toBe(3);
+    it.each([
+      {
+        items: [
+          { running: true, name: "a" },
+          { running: false, name: "b" },
+          { running: true, name: "c" },
+          { running: false, name: "d" },
+        ],
+        expected: 2,
+      },
+      {
+        items: [
+          { running: false, name: "a" },
+          { running: false, name: "b" },
+        ],
+        expected: 0,
+      },
+      {
+        items: [
+          { running: true, name: "a" },
+          { running: true, name: "b" },
+          { running: true, name: "c" },
+        ],
+        expected: 3,
+      },
+    ])("counts running items", ({ items, expected }) => {
+      expect(countRunning(items)).toBe(expected);
     });
   });
 
   describe("countMismatches", () => {
-    it("should count image mismatches", () => {
-      const items = [
-        { imageMatch: true, name: "a" },
-        { imageMatch: false, name: "b" },
-        { imageMatch: true, name: "c" },
-        { imageMatch: false, name: "d" },
-        { imageMatch: false, name: "e" },
-      ];
-
-      expect(countMismatches(items)).toBe(3);
-    });
-
-    it("should return 0 when all match", () => {
-      const items = [
-        { imageMatch: true, name: "a" },
-        { imageMatch: true, name: "b" },
-      ];
-
-      expect(countMismatches(items)).toBe(0);
-    });
-
-    it("should count all when none match", () => {
-      const items = [
-        { imageMatch: false, name: "a" },
-        { imageMatch: false, name: "b" },
-        { imageMatch: false, name: "c" },
-      ];
-
-      expect(countMismatches(items)).toBe(3);
+    it.each([
+      {
+        items: [
+          { imageMatch: true, name: "a" },
+          { imageMatch: false, name: "b" },
+          { imageMatch: true, name: "c" },
+          { imageMatch: false, name: "d" },
+          { imageMatch: false, name: "e" },
+        ],
+        expected: 3,
+      },
+      {
+        items: [
+          { imageMatch: true, name: "a" },
+          { imageMatch: true, name: "b" },
+        ],
+        expected: 0,
+      },
+      {
+        items: [
+          { imageMatch: false, name: "a" },
+          { imageMatch: false, name: "b" },
+          { imageMatch: false, name: "c" },
+        ],
+        expected: 3,
+      },
+    ])("counts image mismatches", ({ items, expected }) => {
+      expect(countMismatches(items)).toBe(expected);
     });
   });