fix: update loki-helm-test image tag to latest commit (#19227)

Signed-off-by: puretension <[email protected]>
Co-authored-by: J Stickler <[email protected]>

Author: puretension

docs/sources/setup/install/helm/reference.md

@@ -12983,7 +12983,7 @@ false
     "pullPolicy": "IfNotPresent",
     "registry": "docker.io",
     "repository": "grafana/loki-helm-test",
-    "tag": "ewelch-distributed-helm-chart-17db5ee"
+    "tag": "latest"
   },
   "labels": {},
   "prometheusAddress": "",
@@ -13029,7 +13029,7 @@ false
   "pullPolicy": "IfNotPresent",
   "registry": "docker.io",
   "repository": "grafana/loki-helm-test",
-  "tag": "ewelch-distributed-helm-chart-17db5ee"
+  "tag": "latest"
 }
 </pre>
 </td>
@@ -13075,7 +13075,7 @@ null
 			<td>string</td>
 			<td>Overrides the image tag whose default is the chart's appVersion</td>
 			<td><pre lang="json">
-"ewelch-distributed-helm-chart-17db5ee"
+"latest"
 </pre>
 </td>
 		</tr>

production/helm/loki/templates/tests/_helpers.tpl

@@ -2,7 +2,7 @@
 Docker image name for loki helm test
 */}}
 {{- define "loki.helmTestImage" -}}
-{{- $dict := dict "service" .Values.test.image "global" .Values.global.image "defaultVersion" "latest" -}}
+{{- $dict := dict "service" .Values.test.image "global" .Values.global.image "defaultVersion" .Chart.AppVersion -}}
 {{- include "loki.baseImage" $dict -}}
 {{- end -}}
 

production/helm/loki/values.yaml

@@ -761,7 +761,7 @@ test:
     # -- Docker image repository
     repository: grafana/loki-helm-test
     # -- Overrides the image tag whose default is the chart's appVersion
-    tag: "ewelch-distributed-helm-chart-17db5ee"
+    tag: "latest"
     # -- Overrides the image tag with an image digest
     digest: null
     # -- Docker image pull policy