diff --git a/__tests__/data/microsoft.json b/__tests__/data/microsoft.json
new file mode 100644
index 0000000..e566901
--- /dev/null
+++ b/__tests__/data/microsoft.json
@@ -0,0 +1,218 @@
+[
+    {
+        "version": "17.0.7",
+        "stable": true,
+        "release_url": "https://aka.ms/download-jdk",
+        "files": [
+          {
+            "filename": "microsoft-jdk-17.0.7-macos-x64.tar.gz",
+            "arch": "x64",
+            "platform": "darwin",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-17.0.7-macos-x64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-17.0.7-linux-x64.tar.gz",
+            "arch": "x64",
+            "platform": "linux",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-17.0.7-linux-x64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-17.0.7-windows-x64.zip",
+            "arch": "x64",
+            "platform": "win32",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-17.0.7-windows-x64.zip"
+          },
+          {
+            "filename": "microsoft-jdk-17.0.7-macos-aarch64.tar.gz",
+            "arch": "aarch64",
+            "platform": "darwin",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-17.0.7-macos-aarch64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-17.0.7-linux-aarch64.tar.gz",
+            "arch": "aarch64",
+            "platform": "linux",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-17.0.7-linux-aarch64.tar.gz"
+          }
+        ]
+    },
+    {
+        "version": "17.0.1+12.1",
+        "stable": true,
+        "release_url": "https://aka.ms/download-jdk",
+        "files": [
+          {
+            "filename": "microsoft-jdk-17.0.1.12.1-macos-x64.tar.gz",
+            "arch": "x64",
+            "platform": "darwin",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-17.0.1.12.1-macos-x64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-17.0.1.12.1-linux-x64.tar.gz",
+            "arch": "x64",
+            "platform": "linux",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-17.0.1.12.1-linux-x64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-17.0.1.12.1-windows-x64.zip",
+            "arch": "x64",
+            "platform": "win32",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-17.0.1.12.1-windows-x64.zip"
+          },
+          {
+            "filename": "microsoft-jdk-17.0.1.12.1-macos-aarch64.tar.gz",
+            "arch": "aarch64",
+            "platform": "darwin",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-17.0.1.12.1-macos-aarch64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-17.0.1.12.1-linux-aarch64.tar.gz",
+            "arch": "aarch64",
+            "platform": "linux",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-17.0.1.12.1-linux-aarch64.tar.gz"
+          }
+        ]
+    },
+    {
+        "version": "16.0.2+7.1",
+        "stable": true,
+        "release_url": "https://aka.ms/download-jdk",
+        "files": [
+          {
+            "filename": "microsoft-jdk-16.0.2.7.1-macos-x64.tar.gz",
+            "arch": "x64",
+            "platform": "darwin",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-16.0.2.7.1-macos-x64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-16.0.2.7.1-linux-x64.tar.gz",
+            "arch": "x64",
+            "platform": "linux",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-16.0.2.7.1-linux-x64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-16.0.2.7.1-windows-x64.zip",
+            "arch": "x64",
+            "platform": "win32",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-16.0.2.7.1-windows-x64.zip"
+          },
+          {
+            "filename": "microsoft-jdk-16.0.2.7.1-macos-aarch64.tar.gz",
+            "arch": "aarch64",
+            "platform": "darwin",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-16.0.2.7.1-macos-aarch64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-16.0.2.7.1-linux-aarch64.tar.gz",
+            "arch": "aarch64",
+            "platform": "linux",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-16.0.2.7.1-linux-aarch64.tar.gz"
+          }
+        ]
+    },
+    {
+        "version": "11.0.19",
+        "stable": true,
+        "release_url": "https://aka.ms/download-jdk",
+        "files": [
+          {
+            "filename": "microsoft-jdk-11.0.19-macos-x64.tar.gz",
+            "arch": "x64",
+            "platform": "darwin",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.19-macos-x64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-11.0.19-linux-x64.tar.gz",
+            "arch": "x64",
+            "platform": "linux",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.19-linux-x64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-11.0.19-windows-x64.zip",
+            "arch": "x64",
+            "platform": "win32",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.19-windows-x64.zip"
+          },
+          {
+            "filename": "microsoft-jdk-11.0.19-macos-aarch64.tar.gz",
+            "arch": "aarch64",
+            "platform": "darwin",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.19-macos-aarch64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-11.0.19-linux-aarch64.tar.gz",
+            "arch": "aarch64",
+            "platform": "linux",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.19-linux-aarch64.tar.gz"
+          }
+        ]
+    },
+    {
+        "version": "11.0.15",
+        "stable": true,
+        "release_url": "https://aka.ms/download-jdk",
+        "files": [
+          {
+            "filename": "microsoft-jdk-11.0.15-macos-x64.tar.gz",
+            "arch": "x64",
+            "platform": "darwin",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.15-macos-x64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-11.0.15-linux-x64.tar.gz",
+            "arch": "x64",
+            "platform": "linux",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.15-linux-x64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-11.0.15-windows-x64.zip",
+            "arch": "x64",
+            "platform": "win32",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.15-windows-x64.zip"
+          },
+          {
+            "filename": "microsoft-jdk-11.0.15-macos-aarch64.tar.gz",
+            "arch": "aarch64",
+            "platform": "darwin",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.15-macos-aarch64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-11.0.15-linux-aarch64.tar.gz",
+            "arch": "aarch64",
+            "platform": "linux",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.15-linux-aarch64.tar.gz"
+          }
+        ]
+    },
+    {
+        "version": "11.0.13+8.1",
+        "stable": true,
+        "release_url": "https://aka.ms/download-jdk",
+        "files": [
+          {
+            "filename": "microsoft-jdk-11.0.13.8.1-macos-x64.tar.gz",
+            "arch": "x64",
+            "platform": "darwin",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.13.8.1-macos-x64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-11.0.13.8.1-linux-x64.tar.gz",
+            "arch": "x64",
+            "platform": "linux",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.13.8.1-linux-x64.tar.gz"
+          },
+          {
+            "filename": "microsoft-jdk-11.0.13.8.1-windows-x64.zip",
+            "arch": "x64",
+            "platform": "win32",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.13.8.1-windows-x64.zip"
+          },
+          {
+            "filename": "microsoft-jdk-11.0.13.8.1-linux-aarch64.tar.gz",
+            "arch": "aarch64",
+            "platform": "linux",
+            "download_url": "https://aka.ms/download-jdk/microsoft-jdk-11.0.13.8.1-linux-aarch64.tar.gz"
+          }
+        ]
+    }
+]
diff --git a/__tests__/distributors/microsoft-installer.test.ts b/__tests__/distributors/microsoft-installer.test.ts
index cf32cef..45688d5 100644
--- a/__tests__/distributors/microsoft-installer.test.ts
+++ b/__tests__/distributors/microsoft-installer.test.ts
@@ -1,6 +1,6 @@
 import {MicrosoftDistributions} from '../../src/distributions/microsoft/installer';
 import os from 'os';
-import data from '../../src/distributions/microsoft/microsoft-openjdk-versions.json';
+import data from '../data/microsoft.json';
 import * as httpm from '@actions/http-client';
 import * as core from '@actions/core';
 
diff --git a/__tests__/distributors/oracle-installer.test.ts b/__tests__/distributors/oracle-installer.test.ts
index 7491b77..2f133fc 100644
--- a/__tests__/distributors/oracle-installer.test.ts
+++ b/__tests__/distributors/oracle-installer.test.ts
@@ -2,10 +2,12 @@ import {OracleDistribution} from '../../src/distributions/oracle/installer';
 import os from 'os';
 import * as core from '@actions/core';
 import {getDownloadArchiveExtension} from '../../src/util';
+import {HttpClient} from '@actions/http-client';
 
 describe('findPackageForDownload', () => {
   let distribution: OracleDistribution;
   let spyDebug: jest.SpyInstance;
+  let spyHttpClient: jest.SpyInstance;
 
   beforeEach(() => {
     distribution = new OracleDistribution({
@@ -41,7 +43,20 @@ describe('findPackageForDownload', () => {
       'https://download.oracle.com/java/17/archive/jdk-17.0.1_{{OS_TYPE}}-x64_bin.{{ARCHIVE_TYPE}}'
     ]
   ])('version is %s -> %s', async (input, expectedVersion, expectedUrl) => {
+    /* Needed only for this particular test because /latest/ urls tend to change */
+    spyHttpClient = jest.spyOn(HttpClient.prototype, 'head');
+    spyHttpClient.mockReturnValue(
+      Promise.resolve({
+        message: {
+          statusCode: 200
+        }
+      })
+    );
+
     const result = await distribution['findPackageForDownload'](input);
+
+    jest.restoreAllMocks();
+
     expect(result.version).toBe(expectedVersion);
     const osType = distribution.getPlatform();
     const archiveType = getDownloadArchiveExtension();