diff --git a/__tests__/__snapshots__/authutil.test.ts.snap b/__tests__/__snapshots__/authutil.test.ts.snap
index d310f14..0ea506b 100644
--- a/__tests__/__snapshots__/authutil.test.ts.snap
+++ b/__tests__/__snapshots__/authutil.test.ts.snap
@@ -1,6 +1,6 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`authutil tests Existing config not in repo root, sets up a partial NuGet.config user/PAT for GPR 1`] = `
+exports[`authutil tests existing config not in repo root, sets up a partial NuGet.config user/PAT for GPR 1`] = `
 "<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
@@ -15,7 +15,7 @@ exports[`authutil tests Existing config not in repo root, sets up a partial NuGe
 </configuration>"
 `;
 
-exports[`authutil tests Existing config w/ Azure Artifacts source and NuGet.org, sets up a partial NuGet.config user/PAT for GPR 1`] = `
+exports[`authutil tests existing config w/ Azure Artifacts source and NuGet.org, sets up a partial NuGet.config user/PAT for GPR 1`] = `
 "<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
@@ -30,7 +30,7 @@ exports[`authutil tests Existing config w/ Azure Artifacts source and NuGet.org,
 </configuration>"
 `;
 
-exports[`authutil tests Existing config w/ GPR source and NuGet.org, sets up a partial NuGet.config user/PAT for GPR 1`] = `
+exports[`authutil tests existing config w/ GPR source and NuGet.org, sets up a partial NuGet.config user/PAT for GPR 1`] = `
 "<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
@@ -45,7 +45,7 @@ exports[`authutil tests Existing config w/ GPR source and NuGet.org, sets up a p
 </configuration>"
 `;
 
-exports[`authutil tests Existing config w/ no GPR sources, sets up a full NuGet.config with URL and user/PAT for GPR 1`] = `
+exports[`authutil tests existing config w/ no GPR sources, sets up a full NuGet.config with URL and user/PAT for GPR 1`] = `
 "<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
@@ -63,7 +63,7 @@ exports[`authutil tests Existing config w/ no GPR sources, sets up a full NuGet.
 </configuration>"
 `;
 
-exports[`authutil tests Existing config w/ no sources, sets up a full NuGet.config with URL and user/PAT for GPR 1`] = `
+exports[`authutil tests existing config w/ no sources, sets up a full NuGet.config with URL and user/PAT for GPR 1`] = `
 "<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
@@ -81,7 +81,7 @@ exports[`authutil tests Existing config w/ no sources, sets up a full NuGet.conf
 </configuration>"
 `;
 
-exports[`authutil tests Existing config w/ only Azure Artifacts source, sets up a partial NuGet.config user/PAT for GPR 1`] = `
+exports[`authutil tests existing config w/ only Azure Artifacts source, sets up a partial NuGet.config user/PAT for GPR 1`] = `
 "<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
@@ -96,7 +96,7 @@ exports[`authutil tests Existing config w/ only Azure Artifacts source, sets up
 </configuration>"
 `;
 
-exports[`authutil tests Existing config w/ only GPR source, sets up a partial NuGet.config user/PAT for GPR 1`] = `
+exports[`authutil tests existing config w/ only GPR source, sets up a partial NuGet.config user/PAT for GPR 1`] = `
 "<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
@@ -111,7 +111,7 @@ exports[`authutil tests Existing config w/ only GPR source, sets up a partial Nu
 </configuration>"
 `;
 
-exports[`authutil tests Existing config w/ two GPR sources, sets up a partial NuGet.config user/PAT for GPR 1`] = `
+exports[`authutil tests existing config w/ two GPR sources, sets up a partial NuGet.config user/PAT for GPR 1`] = `
 "<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
@@ -130,7 +130,7 @@ exports[`authutil tests Existing config w/ two GPR sources, sets up a partial Nu
 </configuration>"
 `;
 
-exports[`authutil tests No existing config, sets up a full NuGet.config with URL and other owner/PAT for GPR 1`] = `
+exports[`authutil tests no existing config, sets up a full NuGet.config with URL and other owner/PAT for GPR 1`] = `
 "<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
@@ -148,7 +148,7 @@ exports[`authutil tests No existing config, sets up a full NuGet.config with URL
 </configuration>"
 `;
 
-exports[`authutil tests No existing config, sets up a full NuGet.config with URL and token for other source 1`] = `
+exports[`authutil tests no existing config, sets up a full NuGet.config with URL and token for other source 1`] = `
 "<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
@@ -166,7 +166,7 @@ exports[`authutil tests No existing config, sets up a full NuGet.config with URL
 </configuration>"
 `;
 
-exports[`authutil tests No existing config, sets up a full NuGet.config with URL and user/PAT for GPR 1`] = `
+exports[`authutil tests no existing config, sets up a full NuGet.config with URL and user/PAT for GPR 1`] = `
 "<?xml version=\\"1.0\\"?>
 <configuration>
   <config>
diff --git a/__tests__/authutil.test.ts b/__tests__/authutil.test.ts
index 01dd435..3435cdf 100644
--- a/__tests__/authutil.test.ts
+++ b/__tests__/authutil.test.ts
@@ -91,7 +91,7 @@ describe('authutil tests', () => {
     process.env['NUGET_AUTH_TOKEN'] = '';
   });
 
-  it('No existing config, sets up a full NuGet.config with URL and user/PAT for GPR', async () => {
+  it('no existing config, sets up a full NuGet.config with URL and user/PAT for GPR', async () => {
     process.env['NUGET_AUTH_TOKEN'] = 'TEST_FAKE_AUTH_TOKEN';
     auth.configAuthentication(
       'https://nuget.pkg.github.com/OwnerName/index.json',
@@ -104,7 +104,7 @@ describe('authutil tests', () => {
     ).toMatchSnapshot();
   });
 
-  it('No existing config, auth token environment variable not provided, throws', async () => {
+  it('no existing config, auth token environment variable not provided, throws', async () => {
     let thrown = false;
     try {
       auth.configAuthentication(
@@ -118,7 +118,7 @@ describe('authutil tests', () => {
     expect(thrown).toBe(true);
   });
 
-  it('No existing config, sets up a full NuGet.config with URL and other owner/PAT for GPR', async () => {
+  it('no existing config, sets up a full NuGet.config with URL and other owner/PAT for GPR', async () => {
     process.env['NUGET_AUTH_TOKEN'] = 'TEST_FAKE_AUTH_TOKEN';
     process.env['INPUT_OWNER'] = 'otherorg';
     auth.configAuthentication(
@@ -132,7 +132,7 @@ describe('authutil tests', () => {
     ).toMatchSnapshot();
   });
 
-  it('Existing config (invalid), tries to parse an invalid NuGet.config and throws', async () => {
+  it('existing config (invalid), tries to parse an invalid NuGet.config and throws', async () => {
     process.env['NUGET_AUTH_TOKEN'] = 'TEST_FAKE_AUTH_TOKEN';
     const inputNuGetConfigPath: string = path.join(
       fakeSourcesDirForTesting,
@@ -152,7 +152,7 @@ describe('authutil tests', () => {
     expect(thrown).toBe(true);
   });
 
-  it('Existing config w/ no sources, sets up a full NuGet.config with URL and user/PAT for GPR', async () => {
+  it('existing config w/ no sources, sets up a full NuGet.config with URL and user/PAT for GPR', async () => {
     process.env['NUGET_AUTH_TOKEN'] = 'TEST_FAKE_AUTH_TOKEN';
     const inputNuGetConfigPath: string = path.join(
       fakeSourcesDirForTesting,
@@ -170,7 +170,7 @@ describe('authutil tests', () => {
     ).toMatchSnapshot();
   });
 
-  it('Existing config w/ no GPR sources, sets up a full NuGet.config with URL and user/PAT for GPR', async () => {
+  it('existing config w/ no GPR sources, sets up a full NuGet.config with URL and user/PAT for GPR', async () => {
     process.env['NUGET_AUTH_TOKEN'] = 'TEST_FAKE_AUTH_TOKEN';
     const inputNuGetConfigPath: string = path.join(
       fakeSourcesDirForTesting,
@@ -188,7 +188,7 @@ describe('authutil tests', () => {
     ).toMatchSnapshot();
   });
 
-  it('Existing config w/ only GPR source, sets up a partial NuGet.config user/PAT for GPR', async () => {
+  it('existing config w/ only GPR source, sets up a partial NuGet.config user/PAT for GPR', async () => {
     process.env['NUGET_AUTH_TOKEN'] = 'TEST_FAKE_AUTH_TOKEN';
     const inputNuGetConfigPath: string = path.join(
       fakeSourcesDirForTesting,
@@ -206,7 +206,7 @@ describe('authutil tests', () => {
     ).toMatchSnapshot();
   });
 
-  it('Existing config w/ GPR source and NuGet.org, sets up a partial NuGet.config user/PAT for GPR', async () => {
+  it('existing config w/ GPR source and NuGet.org, sets up a partial NuGet.config user/PAT for GPR', async () => {
     process.env['NUGET_AUTH_TOKEN'] = 'TEST_FAKE_AUTH_TOKEN';
     const inputNuGetConfigPath: string = path.join(
       fakeSourcesDirForTesting,
@@ -224,7 +224,7 @@ describe('authutil tests', () => {
     ).toMatchSnapshot();
   });
 
-  it('Existing config w/ two GPR sources, sets up a partial NuGet.config user/PAT for GPR', async () => {
+  it('existing config w/ two GPR sources, sets up a partial NuGet.config user/PAT for GPR', async () => {
     process.env['NUGET_AUTH_TOKEN'] = 'TEST_FAKE_AUTH_TOKEN';
     const inputNuGetConfigPath: string = path.join(
       fakeSourcesDirForTesting,
@@ -242,7 +242,7 @@ describe('authutil tests', () => {
     ).toMatchSnapshot();
   });
 
-  it('Existing config w/ spaces in key, throws for now', async () => {
+  it('existing config w/ spaces in key, throws for now', async () => {
     process.env['NUGET_AUTH_TOKEN'] = 'TEST_FAKE_AUTH_TOKEN';
     const inputNuGetConfigPath: string = path.join(
       fakeSourcesDirForTesting,
@@ -262,7 +262,7 @@ describe('authutil tests', () => {
     expect(thrown).toBe(true);
   });
 
-  it('Existing config not in repo root, sets up a partial NuGet.config user/PAT for GPR', async () => {
+  it('existing config not in repo root, sets up a partial NuGet.config user/PAT for GPR', async () => {
     process.env['NUGET_AUTH_TOKEN'] = 'TEST_FAKE_AUTH_TOKEN';
     const inputNuGetConfigDirectory: string = path.join(
       fakeSourcesDirForTesting,
@@ -285,7 +285,7 @@ describe('authutil tests', () => {
     ).toMatchSnapshot();
   });
 
-  it('Existing config w/ only Azure Artifacts source, sets up a partial NuGet.config user/PAT for GPR', async () => {
+  it('existing config w/ only Azure Artifacts source, sets up a partial NuGet.config user/PAT for GPR', async () => {
     process.env['NUGET_AUTH_TOKEN'] = 'TEST_FAKE_AUTH_TOKEN';
     const inputNuGetConfigPath: string = path.join(
       fakeSourcesDirForTesting,
@@ -303,7 +303,7 @@ describe('authutil tests', () => {
     ).toMatchSnapshot();
   });
 
-  it('Existing config w/ Azure Artifacts source and NuGet.org, sets up a partial NuGet.config user/PAT for GPR', async () => {
+  it('existing config w/ Azure Artifacts source and NuGet.org, sets up a partial NuGet.config user/PAT for GPR', async () => {
     process.env['NUGET_AUTH_TOKEN'] = 'TEST_FAKE_AUTH_TOKEN';
     const inputNuGetConfigPath: string = path.join(
       fakeSourcesDirForTesting,
@@ -321,7 +321,7 @@ describe('authutil tests', () => {
     ).toMatchSnapshot();
   });
 
-  it('No existing config, sets up a full NuGet.config with URL and token for other source', async () => {
+  it('no existing config, sets up a full NuGet.config with URL and token for other source', async () => {
     process.env['NUGET_AUTH_TOKEN'] = 'TEST_FAKE_AUTH_TOKEN';
     auth.configAuthentication(
       'https://pkgs.dev.azure.com/amullans/_packaging/GitHubBuilds/nuget/v3/index.json',
diff --git a/__tests__/csc.test.ts b/__tests__/csc.test.ts
index f4bfa92..8d43b39 100644
--- a/__tests__/csc.test.ts
+++ b/__tests__/csc.test.ts
@@ -1,6 +1,6 @@
 import cscFile from '../.github/csc.json';
 describe('csc tests', () => {
-  it('Valid regular expression', async () => {
+  test('regular expression in csc.json is valid', async () => {
     const regexPattern = cscFile['problemMatcher'][0]['pattern'][0]['regexp'];
     const regexResultsMap = cscFile['problemMatcher'][0]['pattern'][0];
 
diff --git a/__tests__/installer.test.ts b/__tests__/installer.test.ts
index 302d972..b26d915 100644
--- a/__tests__/installer.test.ts
+++ b/__tests__/installer.test.ts
@@ -16,10 +16,6 @@ describe('installer tests', () => {
     process.env = {...env};
   });
 
-  afterEach(() => {
-    process.env = env;
-  });
-
   describe('DotnetCoreInstaller tests', () => {
     const getExecOutputSpy = jest.spyOn(exec, 'getExecOutput');
     const warningSpy = jest.spyOn(core, 'warning');
@@ -32,7 +28,7 @@ describe('installer tests', () => {
       it('should throw the error in case of non-zero exit code of the installation script. The error message should contain logs.', async () => {
         const inputVersion = '3.1.100';
         const inputQuality = '' as QualityOptions;
-        const errorMessage = 'Fictious error message!';
+        const errorMessage = 'fictitious error message!';
         getExecOutputSpy.mockImplementation(() => {
           return Promise.resolve({
             exitCode: 1,
@@ -252,16 +248,17 @@ describe('installer tests', () => {
         });
       }
     });
+
     describe('addToPath() tests', () => {
       it(`should export DOTNET_ROOT env.var with value from DOTNET_INSTALL_DIR env.var`, async () => {
-        process.env['DOTNET_INSTALL_DIR'] = 'fictious/dotnet/install/dir';
+        process.env['DOTNET_INSTALL_DIR'] = 'fictitious/dotnet/install/dir';
         installer.DotnetCoreInstaller.addToPath();
         const dotnet_root = process.env['DOTNET_ROOT'];
         expect(dotnet_root).toBe(process.env['DOTNET_INSTALL_DIR']);
       });
 
-      it(`should export value from the DOTNET_INSTALL_DIR env.var to the PATH`, async () => {
-        process.env['DOTNET_INSTALL_DIR'] = 'fictious/dotnet/install/dir';
+      it(`should export value from DOTNET_INSTALL_DIR env.var to the PATH`, async () => {
+        process.env['DOTNET_INSTALL_DIR'] = 'fictitious/dotnet/install/dir';
         installer.DotnetCoreInstaller.addToPath();
         const path = process.env['PATH'];
         expect(path).toContain(process.env['DOTNET_INSTALL_DIR']);
diff --git a/__tests__/setup-dotnet.test.ts b/__tests__/setup-dotnet.test.ts
index 78e10f4..831408c 100644
--- a/__tests__/setup-dotnet.test.ts
+++ b/__tests__/setup-dotnet.test.ts
@@ -40,7 +40,7 @@ describe('setup-dotnet tests', () => {
     });
 
     it('should fail the action if global-json-file input is present, but the file does not exist in the file system', async () => {
-      inputs['global-json-file'] = 'fictious.json';
+      inputs['global-json-file'] = 'fictitious.json';
       inputs['dotnet-version'] = [];
 
       const expectedErrorMessage = `The specified global.json file '${inputs['global-json-file']}' does not exist`;
@@ -49,7 +49,7 @@ describe('setup-dotnet tests', () => {
       expect(setFailedSpy).toHaveBeenCalledWith(expectedErrorMessage);
     });
 
-    it('should log message into debug output, try to find global.json in the repo root, fail and log message into info output if the dotnet-version and global-json-file inputs are not present', async () => {
+    test(`if 'dotnet-version' and 'global-json-file' inputs aren't present, should log into debug output, try to find global.json in the repo root, fail and log message into info output`, async () => {
       inputs['global-json-file'] = '';
       inputs['dotnet-version'] = [];
 
@@ -70,7 +70,7 @@ describe('setup-dotnet tests', () => {
     it('should fail the action if quality is supplied but its value is not supported', async () => {
       inputs['global-json-file'] = '';
       inputs['dotnet-version'] = ['6.0'];
-      inputs['dotnet-quality'] = 'fictiousQuality';
+      inputs['dotnet-quality'] = 'fictitiousQuality';
 
       const expectedErrorMessage = `${inputs['dotnet-quality']} is not a supported value for 'dotnet-quality' option. Supported values are: daily, signed, validated, preview, ga.`;
 
@@ -105,7 +105,7 @@ describe('setup-dotnet tests', () => {
       inputs['global-json-file'] = '';
       inputs['dotnet-version'] = [];
       inputs['dotnet-quality'] = '';
-      inputs['source-url'] = 'fictious.source.url';
+      inputs['source-url'] = 'fictitious.source.url';
 
       configAuthenticationSpy.mockImplementation(() => {});
 
@@ -120,8 +120,8 @@ describe('setup-dotnet tests', () => {
       inputs['global-json-file'] = '';
       inputs['dotnet-version'] = [];
       inputs['dotnet-quality'] = '';
-      inputs['source-url'] = 'fictious.source.url';
-      inputs['config-file'] = 'fictious.path';
+      inputs['source-url'] = 'fictitious.source.url';
+      inputs['config-file'] = 'fictitious.path';
 
       configAuthenticationSpy.mockImplementation(() => {});
       setOutputSpy.mockImplementation(() => {});