diff --git a/client/src/components/DatasetInformation/DatasetError.vue b/client/src/components/DatasetInformation/DatasetError.vue
index 2daea735b57..946e255c815 100644
--- a/client/src/components/DatasetInformation/DatasetError.vue
+++ b/client/src/components/DatasetInformation/DatasetError.vue
@@ -155,7 +155,7 @@ onMounted(async () => {
                         may not always be accurate.
                     </span>
                 </p>
-                <BCard v-if="'tool_stderr' in jobDetails" class="mb-2">
+                <BCard v-if="'tool_stderr' in jobDetails" class="mb-2" data-description="galaxy wizard card">
                     <GalaxyWizard
                         view="error"
                         :query="jobDetails.tool_stderr ?? ''"
diff --git a/client/src/components/GalaxyWizard.vue b/client/src/components/GalaxyWizard.vue
index b1644e2dca4..c741c5b08e6 100644
--- a/client/src/components/GalaxyWizard.vue
+++ b/client/src/components/GalaxyWizard.vue
@@ -91,20 +91,29 @@ async function sendFeedback(value: "up" | "down") {
 </script>
 
 <template>
-    <div>
-        <GButton v-if="!queryResponse" class="w-100" variant="info" :disabled="busy" @click="submitQuery">
+    <div data-description="galaxy wizard">
+        <GButton
+            v-if="!queryResponse"
+            class="w-100"
+            variant="info"
+            :disabled="busy"
+            data-description="galaxy wizard analyze button"
+            @click="submitQuery">
             <span v-if="!busy"> Let our Help Wizard Figure it out! </span>
             <LoadingSpan v-else message="Thinking" />
         </GButton>
         <div :class="props.view == 'wizard' && 'mt-4'">
-            <div v-if="busy">
+            <div v-if="busy" data-description="galaxy wizard loading">
                 <BSkeleton animation="wave" width="85%" />
                 <BSkeleton animation="wave" width="55%" />
                 <BSkeleton animation="wave" width="70%" />
             </div>
             <div v-else>
                 <!-- eslint-disable-next-line vue/no-v-html -->
-                <div class="chatResponse" v-html="renderMarkdown(queryResponse)" />
+                <div
+                    class="chatResponse"
+                    data-description="galaxy wizard response"
+                    v-html="renderMarkdown(queryResponse)" />
 
                 <template v-if="errorMessage">
                     <hr class="error-divider" />
@@ -112,13 +121,17 @@ async function sendFeedback(value: "up" | "down") {
                 </template>
             </div>
 
-            <div v-if="queryResponse && !hasError" class="feedback-buttons mt-2">
+            <div
+                v-if="queryResponse && !hasError"
+                class="feedback-buttons mt-2"
+                data-description="galaxy wizard feedback">
                 <hr class="w-100" />
                 <h4>Was this answer helpful?</h4>
                 <GButton
                     color="green"
                     :disabled="feedback !== null"
                     :class="{ submitted: feedback === 'up' }"
+                    data-description="galaxy wizard feedback up"
                     @click="sendFeedback('up')">
                     <FontAwesomeIcon :icon="faThumbsUp" fixed-width />
                 </GButton>
@@ -126,11 +139,12 @@ async function sendFeedback(value: "up" | "down") {
                     color="red"
                     :disabled="feedback !== null"
                     :class="{ submitted: feedback === 'down' }"
+                    data-description="galaxy wizard feedback down"
                     @click="sendFeedback('down')">
                     <FontAwesomeIcon :icon="faThumbsDown" fixed-width />
                 </GButton>
                 <i v-if="!feedback">This feedback helps us improve our responses.</i>
-                <i v-else>Thank you for your feedback!</i>
+                <i v-else data-description="galaxy wizard feedback ack">Thank you for your feedback!</i>
             </div>
         </div>
     </div>
diff --git a/client/src/utils/navigation/navigation.yml b/client/src/utils/navigation/navigation.yml
index 2db7e8dcc48..58416ea8d1f 100644
--- a/client/src/utils/navigation/navigation.yml
+++ b/client/src/utils/navigation/navigation.yml
@@ -1475,6 +1475,35 @@ chatgxy:
     feedback_ack: '.entry-response .feedback-ack'
     meta_tag: '.entry-response .meta-tag'
 
+galaxy_wizard:
+  selectors:
+    _:
+      selector: 'galaxy wizard'
+      type: data-description
+    analyze_button:
+      selector: 'galaxy wizard analyze button'
+      type: data-description
+    loading:
+      selector: 'galaxy wizard loading'
+      type: data-description
+    response:
+      selector: 'galaxy wizard response'
+      type: data-description
+    feedback_section:
+      selector: 'galaxy wizard feedback'
+      type: data-description
+    feedback_up:
+      selector: 'galaxy wizard feedback up'
+      type: data-description
+    feedback_down:
+      selector: 'galaxy wizard feedback down'
+      type: data-description
+    feedback_ack:
+      selector: 'galaxy wizard feedback ack'
+      type: data-description
+    wizard_card:
+      selector: 'galaxy wizard card'
+      type: data-description
 
 zip_import_wizard:
   selectors:
diff --git a/lib/galaxy/selenium/navigates_galaxy.py b/lib/galaxy/selenium/navigates_galaxy.py
index cc538777f51..a82f830f406 100644
--- a/lib/galaxy/selenium/navigates_galaxy.py
+++ b/lib/galaxy/selenium/navigates_galaxy.py
@@ -1634,6 +1634,21 @@ class NavigatesGalaxy(HasDriverProxy[WaitType]):
         assert len(chatgxy.query_cell.all()) == 0
         assert len(chatgxy.response_content.all()) == 0
 
+    def navigate_to_dataset_error(self, hid):
+        """Display a dataset and click the error tab."""
+        self.display_dataset(hid)
+        error_tab = self.wait_for_selector_clickable(
+            ".nav-item[title='View error information for this dataset'] > a.nav-link"
+        )
+        error_tab.click()
+
+    def galaxy_wizard_analyze(self):
+        """Click the wizard analyze button and wait for the response."""
+        wizard = self.components.galaxy_wizard
+        wizard.analyze_button.wait_for_and_click()
+        # Button disappears once queryResponse is set (v-if="!queryResponse")
+        wizard.analyze_button.wait_for_absent_or_hidden()
+
     def navigate_to_pages(self):
         self.home()
         self.components.pages.activity.wait_for_and_click()
diff --git a/lib/galaxy_test/selenium/test_galaxy_wizard.py b/lib/galaxy_test/selenium/test_galaxy_wizard.py
new file mode 100644
index 00000000000..94dfb623348
--- /dev/null
+++ b/lib/galaxy_test/selenium/test_galaxy_wizard.py
@@ -0,0 +1,69 @@
+"""E2E tests for the GalaxyWizard inline error analysis widget.
+
+Uses the static agent backend for deterministic assertions — no LLM calls.
+Skipped when agents are not configured (skip_without_agents decorator).
+"""
+
+from galaxy_test.base.populators import skip_without_agents
+from .framework import (
+    managed_history,
+    retry_assertion_during_transitions,
+    selenium_test,
+    SeleniumTestCase,
+)
+
+
+class TestGalaxyWizard(SeleniumTestCase):
+    ensure_registered = True
+
+    def create_failed_dataset(self):
+        """Run detect_errors tool with stderr output to produce a failed dataset."""
+        history_id = self.current_history_id()
+        inputs = {
+            "stdoutmsg": "",
+            "stderrmsg": "error: tool configuration failure detected",
+            "exit_code": "6",
+        }
+        response = self.dataset_populator.run_tool("detect_errors", inputs, history_id)
+        self.dataset_populator.wait_for_history(history_id, assert_ok=False)
+        failed_hid = response["outputs"][0]["hid"]
+        return history_id, failed_hid
+
+    @skip_without_agents
+    @selenium_test
+    @managed_history
+    def test_wizard_error_analysis_flow(self):
+        """Create failed dataset, analyze error, verify response and feedback."""
+        # Setup: create a failed dataset via API
+        history_id, failed_hid = self.create_failed_dataset()
+        self.history_panel_wait_for_hid_state(failed_hid, "error")
+        self.screenshot("galaxy_wizard_error_dataset_in_history")
+
+        # Navigate to error view
+        self.navigate_to_dataset_error(failed_hid)
+        wizard = self.components.galaxy_wizard
+
+        # Wizard section visible (agents configured)
+        wizard.analyze_button.wait_for_visible()
+        self.screenshot("galaxy_wizard_before_analyze")
+
+        # Click analyze, wait for response
+        self.galaxy_wizard_analyze()
+        self.screenshot("galaxy_wizard_response_received")
+
+        # Verify response content from static backend
+        @retry_assertion_during_transitions
+        def assert_response():
+            assert "tool configuration issue" in wizard.response.wait_for_text()
+
+        assert_response()
+
+        # Feedback
+        wizard.feedback_up.wait_for_and_click()
+
+        @retry_assertion_during_transitions
+        def assert_feedback():
+            assert "Thank you" in wizard.feedback_ack.wait_for_text()
+
+        assert_feedback()
+        self.screenshot("galaxy_wizard_feedback_submitted")
diff --git a/test/functional/tools/detect_errors.xml b/test/functional/tools/detect_errors.xml
index 69cee555fee..9396becae4f 100644
--- a/test/functional/tools/detect_errors.xml
+++ b/test/functional/tools/detect_errors.xml
@@ -15,7 +15,7 @@
     echo '$stdoutmsg' &&
 #end if
 #if str($stderrmsg) != ""
-    >2& echo '$stderrmsg' && 
+    >&2 echo '$stderrmsg' &&
 #end if
 sh -c 'exit $exit_code'
     ]]>
@@ -37,10 +37,10 @@ sh -c 'exit $exit_code'
             <param name="exit_code" value="3" />
             <assert_stdout>
                 <has_line line="Log: some program message of interest"/>
-                <has_line line="Warning: Low space on device"/>
             </assert_stdout>
             <assert_stderr>
                 <has_line line="Warning: Exit code 3 (Low disk space)"/>
+                <has_line line="Warning: Low space on device"/>
             </assert_stderr>
         </test>
         <!-- unccessful run (fatal exit code + warning in output messages are detected) -->
diff --git a/test/unit/tool_util/test_parsing.py b/test/unit/tool_util/test_parsing.py
index 07f847de8ed..90f073b78d1 100644
--- a/test/unit/tool_util/test_parsing.py
+++ b/test/unit/tool_util/test_parsing.py
@@ -948,8 +948,8 @@ class TestExpectations(FunctionalTestToolTestCase):
         tests = tests_dict["tests"]
         assert len(tests) == 10
         test_0 = tests[0]
-        assert len(test_0["stderr"]) == 1
-        assert len(test_0["stdout"]) == 2
+        assert len(test_0["stderr"]) == 2
+        assert len(test_0["stdout"]) == 1
 
 
 class TestExpectationsCommandVersion(FunctionalTestToolTestCase):