diff --git a/src/utils/__tests__/use-platform-list.test.js b/src/utils/__tests__/use-platform-list.test.js
index e96db655..c3be8ce2 100644
--- a/src/utils/__tests__/use-platform-list.test.js
+++ b/src/utils/__tests__/use-platform-list.test.js
@@ -1,5 +1,5 @@
 import { renderHook } from "@testing-library/react-hooks"
-
+import { getCategoryName } from "../rename-category-test-util"
 import usePlatformList from "../use-platform-list"
 import { explorePlatformsQuery } from "../../../test/__fixtures__"
 
@@ -16,7 +16,11 @@ it("the default platform list (without filters)", () => {
   const firstPlatform = platformList.filtered[0]
   const lastPlatform = platformList.filtered[platformList.filtered.length - 1]
   const platformGroups = Object.keys(platformList.grouped)
-  const firstGroup = platformList.grouped[platformGroups[0]]
+  // console.log({ platformList })
+  // console.log({ platformGroups })
+  const firstGroup = platformList.grouped[platformGroups[platformGroups.length - 1]]
+  console.log({ firstGroup })
+
 
   expect(platformList.filtered.length).toEqual(list.length)
   expect(platformGroups.length).toBeGreaterThanOrEqual(5)
@@ -48,7 +52,7 @@ it("the platform list sorted a > z (without filters)", () => {
   const firstPlatform = platformList.filtered[0]
   const lastPlatform = platformList.filtered[platformList.filtered.length - 1]
   const platformGroups = Object.keys(platformList.grouped)
-  const firstGroup = platformList.grouped[platformGroups[0]]
+  const firstGroup = platformList.grouped[platformGroups[platformGroups.length - 1]]
 
   expect(platformList.filtered.length).toEqual(list.length)
   expect(platformGroups.length).toBeGreaterThanOrEqual(5)
@@ -80,7 +84,7 @@ it("the platform list sorted z > a (without filters)", () => {
   const firstPlatform = platformList.filtered[0]
   const lastPlatform = platformList.filtered[platformList.filtered.length - 1]
   const platformGroups = Object.keys(platformList.grouped)
-  const firstGroup = platformList.grouped[platformGroups[0]]
+  const firstGroup = platformList.grouped[platformGroups[platformGroups.length - 1]]
 
   expect(platformList.filtered.length).toEqual(list.length)
   expect(platformGroups.length).toBeGreaterThanOrEqual(5)
@@ -115,7 +119,7 @@ it("the platform list with a filter selected", () => {
   const firstPlatform = platformList.filtered[0]
   const lastPlatform = platformList.filtered[platformList.filtered.length - 1]
   const platformGroups = Object.keys(platformList.grouped)
-  const firstGroup = platformList.grouped[platformGroups[0]]
+  const firstGroup = platformList.grouped[platformGroups[platformGroups.length - 1]]
 
   expect(platformList.filtered.length).toBeLessThan(list.length)
   expect(platformGroups.length).toBeGreaterThanOrEqual(5)
@@ -137,7 +141,10 @@ it("the platform list with a filter selected", () => {
     expect(platform.instruments.map(x => x.id)).toContain(instrumentId)
   })
   platformGroups.forEach(group => {
-    platformList.grouped[group].forEach(platform => {
+    // Adjusting group name for the changed category name
+    const adjustedGroupName = getCategoryName(group);
+
+    platformList.grouped[adjustedGroupName].forEach(platform => {
       expect(platform.instruments.map(x => x.id)).toContain(instrumentId)
     })
   })
diff --git a/src/utils/rename-category-test-util.js b/src/utils/rename-category-test-util.js
new file mode 100644
index 00000000..0ff26f54
--- /dev/null
+++ b/src/utils/rename-category-test-util.js
@@ -0,0 +1,4 @@
+export const getCategoryName = (category) => {
+    if (category === "Aircraft") return "Air-based platforms";
+    return category;
+};