diff --git a/awx/ui_next/src/screens/Credential/shared/CredentialFormFields/CredentialPlugins/CredentialPluginPrompt/CredentialPluginPrompt.test.jsx b/awx/ui_next/src/screens/Credential/shared/CredentialFormFields/CredentialPlugins/CredentialPluginPrompt/CredentialPluginPrompt.test.jsx
index bdcd89398a..550c5caf6c 100644
--- a/awx/ui_next/src/screens/Credential/shared/CredentialFormFields/CredentialPlugins/CredentialPluginPrompt/CredentialPluginPrompt.test.jsx
+++ b/awx/ui_next/src/screens/Credential/shared/CredentialFormFields/CredentialPlugins/CredentialPluginPrompt/CredentialPluginPrompt.test.jsx
@@ -13,6 +13,8 @@ import CredentialPluginPrompt from './CredentialPluginPrompt';
 jest.mock('../../../../../../api/models/Credentials');
 jest.mock('../../../../../../api/models/CredentialTypes');
 
+CredentialsAPI.test.mockResolvedValue({});
+
 CredentialsAPI.read.mockResolvedValue({
   data: {
     count: 3,
@@ -234,5 +236,13 @@ describe('<CredentialPluginPrompt />', () => {
         wrapper.find('input#credential-secret_version').prop('value')
       ).toBe('9000');
     });
+    test('clicking Test button makes correct call', async () => {
+      await act(async () => {
+        wrapper.find('Button#credential-plugin-test').simulate('click');
+      });
+      expect(CredentialsAPI.test).toHaveBeenCalledWith(1, {
+        metadata: { secret_path: '/foo/bar', secret_version: '9000' },
+      });
+    });
   });
 });
diff --git a/awx/ui_next/src/screens/Credential/shared/CredentialFormFields/CredentialPlugins/CredentialPluginPrompt/MetadataStep.jsx b/awx/ui_next/src/screens/Credential/shared/CredentialFormFields/CredentialPlugins/CredentialPluginPrompt/MetadataStep.jsx
index 69dd105a5c..86e8f148c6 100644
--- a/awx/ui_next/src/screens/Credential/shared/CredentialFormFields/CredentialPlugins/CredentialPluginPrompt/MetadataStep.jsx
+++ b/awx/ui_next/src/screens/Credential/shared/CredentialFormFields/CredentialPlugins/CredentialPluginPrompt/MetadataStep.jsx
@@ -13,6 +13,7 @@ import FormField from '../../../../../../components/FormField';
 import { FormFullWidthLayout } from '../../../../../../components/FormLayout';
 import useRequest from '../../../../../../util/useRequest';
 import { required } from '../../../../../../util/validators';
+import { CredentialPluginTestAlert } from '..';
 
 const QuestionCircleIcon = styled(PFQuestionCircleIcon)`
   margin-left: 10px;
@@ -27,6 +28,21 @@ function MetadataStep({ i18n }) {
   const [selectedCredential] = useField('credential');
   const [inputValues] = useField('inputs');
 
+  const {
+    result: testPluginSuccess,
+    error: testPluginError,
+    request: testPluginMetadata,
+  } = useRequest(
+    useCallback(
+      async (credential, metadata) =>
+        CredentialsAPI.test(credential.id, {
+          metadata,
+        }),
+      []
+    ),
+    null
+  );
+
   const {
     result: fields,
     error,
@@ -65,10 +81,6 @@ function MetadataStep({ i18n }) {
     fetchMetadataOptions();
   }, [fetchMetadataOptions]);
 
-  const testMetadata = () => {
-    // https://github.com/ansible/awx/issues/7126
-  };
-
   if (isLoading) {
     return <ContentLoading />;
   }
@@ -143,13 +155,21 @@ function MetadataStep({ i18n }) {
         position="right"
       >
         <TestButton
+          id="credential-plugin-test"
           variant="primary"
           type="submit"
-          onClick={() => testMetadata()}
+          onClick={() =>
+            testPluginMetadata(selectedCredential.value, inputValues.value)
+          }
         >
           {i18n._(t`Test`)}
         </TestButton>
       </Tooltip>
+      <CredentialPluginTestAlert
+        credentialName={selectedCredential.value.name}
+        successResponse={testPluginSuccess}
+        errorResponse={testPluginError}
+      />
     </>
   );
 }
diff --git a/awx/ui_next/src/screens/Credential/shared/CredentialPlugins/CredentialPluginTestAlert.jsx b/awx/ui_next/src/screens/Credential/shared/CredentialPlugins/CredentialPluginTestAlert.jsx
new file mode 100644
index 0000000000..866ca1dae3
--- /dev/null
+++ b/awx/ui_next/src/screens/Credential/shared/CredentialPlugins/CredentialPluginTestAlert.jsx
@@ -0,0 +1,82 @@
+import React, { useEffect, useState } from 'react';
+import { withI18n } from '@lingui/react';
+import { t } from '@lingui/macro';
+import {
+  Alert,
+  AlertActionCloseButton,
+  AlertGroup,
+} from '@patternfly/react-core';
+
+function CredentialPluginTestAlert({
+  i18n,
+  credentialName,
+  successResponse,
+  errorResponse,
+}) {
+  const [testMessage, setTestMessage] = useState('');
+  const [testVariant, setTestVariant] = useState(false);
+  useEffect(() => {
+    if (errorResponse) {
+      if (errorResponse?.response?.data?.inputs) {
+        if (errorResponse.response.data.inputs.startsWith('HTTP')) {
+          const [
+            errorCode,
+            errorStr,
+          ] = errorResponse.response.data.inputs.split('\n');
+          try {
+            const errorJSON = JSON.parse(errorStr);
+            setTestMessage(
+              `${errorCode}${
+                errorJSON?.errors[0] ? `: ${errorJSON.errors[0]}` : ''
+              }`
+            );
+          } catch {
+            setTestMessage(errorResponse.response.data.inputs);
+          }
+        } else {
+          setTestMessage(errorResponse.response.data.inputs);
+        }
+      } else {
+        setTestMessage(
+          i18n._(
+            t`Something went wrong with the request to test this credential and metadata.`
+          )
+        );
+      }
+      setTestVariant('danger');
+    } else if (successResponse) {
+      setTestMessage(i18n._(t`Test passed`));
+      setTestVariant('success');
+    }
+  }, [i18n, successResponse, errorResponse]);
+
+  return (
+    <AlertGroup isToast>
+      {testMessage && testVariant && (
+        <Alert
+          title={
+            <>
+              <b id="credential-plugin-test-name">{credentialName}</b>
+              <p id="credential-plugin-test-message">{testMessage}</p>
+            </>
+          }
+          variant={testVariant}
+          action={
+            <AlertActionCloseButton
+              onClose={() => {
+                setTestMessage(null);
+                setTestVariant(null);
+              }}
+            />
+          }
+        />
+      )}
+    </AlertGroup>
+  );
+}
+
+CredentialPluginTestAlert.propTypes = {};
+
+CredentialPluginTestAlert.defaultProps = {};
+
+export default withI18n()(CredentialPluginTestAlert);
diff --git a/awx/ui_next/src/screens/Credential/shared/CredentialPlugins/CredentialPluginTestAlert.test.jsx b/awx/ui_next/src/screens/Credential/shared/CredentialPlugins/CredentialPluginTestAlert.test.jsx
new file mode 100644
index 0000000000..3934c866e6
--- /dev/null
+++ b/awx/ui_next/src/screens/Credential/shared/CredentialPlugins/CredentialPluginTestAlert.test.jsx
@@ -0,0 +1,63 @@
+import React from 'react';
+import { mountWithContexts } from '../../../../../testUtils/enzymeHelpers';
+import CredentialPluginTestAlert from './CredentialPluginTestAlert';
+
+describe('<CredentialPluginTestAlert />', () => {
+  let wrapper;
+  afterEach(() => {
+    wrapper.unmount();
+  });
+  test('renders expected content when test is successful', () => {
+    wrapper = mountWithContexts(
+      <CredentialPluginTestAlert
+        credentialName="Foobar"
+        successResponse={{}}
+        errorResponse={null}
+      />
+    );
+    expect(wrapper.find('b#credential-plugin-test-name').text()).toBe('Foobar');
+    expect(wrapper.find('p#credential-plugin-test-message').text()).toBe(
+      'Test passed'
+    );
+  });
+  test('renders expected content when test fails with the expected return string formatting', () => {
+    wrapper = mountWithContexts(
+      <CredentialPluginTestAlert
+        credentialName="Foobar"
+        successResponse={null}
+        errorResponse={{
+          response: {
+            data: {
+              inputs: `HTTP 404
+              {"errors":["not found"]}
+              `,
+            },
+          },
+        }}
+      />
+    );
+    expect(wrapper.find('b#credential-plugin-test-name').text()).toBe('Foobar');
+    expect(wrapper.find('p#credential-plugin-test-message').text()).toBe(
+      'HTTP 404: not found'
+    );
+  });
+  test('renders expected content when test fails without the expected return string formatting', () => {
+    wrapper = mountWithContexts(
+      <CredentialPluginTestAlert
+        credentialName="Foobar"
+        successResponse={null}
+        errorResponse={{
+          response: {
+            data: {
+              inputs: 'usernamee is not present at /secret/foo/bar/baz',
+            },
+          },
+        }}
+      />
+    );
+    expect(wrapper.find('b#credential-plugin-test-name').text()).toBe('Foobar');
+    expect(wrapper.find('p#credential-plugin-test-message').text()).toBe(
+      'usernamee is not present at /secret/foo/bar/baz'
+    );
+  });
+});
diff --git a/awx/ui_next/src/util/useRequest.js b/awx/ui_next/src/util/useRequest.js
index 027e82f86f..764297941a 100644
--- a/awx/ui_next/src/util/useRequest.js
+++ b/awx/ui_next/src/util/useRequest.js
@@ -39,6 +39,7 @@ export default function useRequest(makeRequest, initialValue) {
       async (...args) => {
         setIsLoading(true);
         if (isMounted.current) {
+          setResult(initialValue);
           setError(null);
         }
         try {
@@ -56,6 +57,7 @@ export default function useRequest(makeRequest, initialValue) {
           }
         }
       },
+      /* eslint-disable-next-line react-hooks/exhaustive-deps */
       [makeRequest]
     ),
     setValue: setResult,
diff --git a/awx/ui_next/src/util/useRequest.test.jsx b/awx/ui_next/src/util/useRequest.test.jsx
index d0b1072d26..369a7ee07a 100644
--- a/awx/ui_next/src/util/useRequest.test.jsx
+++ b/awx/ui_next/src/util/useRequest.test.jsx
@@ -96,6 +96,37 @@ describe('useRequest hooks', () => {
       expect(wrapper.find('TestInner').prop('error')).toEqual(error);
     });
 
+    test('should reset error/result on each request', async () => {
+      const error = new Error('error');
+      const makeRequest = throwError => {
+        if (throwError) {
+          throw error;
+        }
+
+        return { data: 'foo' };
+      };
+      const wrapper = mount(<Test makeRequest={makeRequest} />);
+
+      await act(async () => {
+        wrapper.find('TestInner').invoke('request')(true);
+      });
+      wrapper.update();
+      expect(wrapper.find('TestInner').prop('result')).toEqual({});
+      expect(wrapper.find('TestInner').prop('error')).toEqual(error);
+      await act(async () => {
+        wrapper.find('TestInner').invoke('request')();
+      });
+      wrapper.update();
+      expect(wrapper.find('TestInner').prop('result')).toEqual({ data: 'foo' });
+      expect(wrapper.find('TestInner').prop('error')).toEqual(null);
+      await act(async () => {
+        wrapper.find('TestInner').invoke('request')(true);
+      });
+      wrapper.update();
+      expect(wrapper.find('TestInner').prop('result')).toEqual({});
+      expect(wrapper.find('TestInner').prop('error')).toEqual(error);
+    });
+
     test('should not update state after unmount', async () => {
       const makeRequest = jest.fn();
       let resolve;