cloud/cloudhub: fix "Node founded" typo in checknode response

checknode.go returned "Node founded" on the success path instead of
"Node found". This user-visible string was grammatically wrong.

The existing test expected "Node found" but passed silently because
assert.Contains does a substring match — "Node found" is a substring
of "Node founded" — hiding the bug from CI.

Fix:
- Correct the response string to "Node found"
- Strengthen the test assertion to assert.Equal so any future
  mismatch will be caught immediately

Signed-off-by: Priyanshubhartistm <bhartipriyanshustm@gmail.com>

cloud/pkg/cloudhub/servers/httpserver/node/checknode.go

@@ -59,7 +59,7 @@ func CheckNode(request *restful.Request, response *restful.Response) {
 	}
 
 	// node exists return success
-	err = response.WriteErrorString(http.StatusOK, "Node founded")
+	err = response.WriteErrorString(http.StatusOK, "Node found")
 	if err != nil {
 		klog.Errorf("failed to send the task resp to edge , err: %v", err)
 	}

cloud/pkg/cloudhub/servers/httpserver/node/checknode_test.go

@@ -93,7 +93,7 @@ func TestCheckNode(t *testing.T) {
 			container.ServeHTTP(httpWriter, httpReq)
 
 			assert.Equal(t, tt.expectedStatus, httpWriter.Code)
-			assert.Contains(t, httpWriter.Body.String(), tt.expectedBody)
+			assert.Equal(t, tt.expectedBody, httpWriter.Body.String())
 		})
 	}
 }