Move Helm unittests into subfolder (#750)

Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/750
Co-authored-by: justusbunsi <sk.bunsenbrenner@gmail.com>
Co-committed-by: justusbunsi <sk.bunsenbrenner@gmail.com>

unittests/helm/config/metrics-section_metrics-token.yaml

@@ -0,0 +1,58 @@
+suite: config template | metrics section (metrics token)
+release:
+  name: gitea-unittests
+  namespace: testing
+tests:
+  - it: metrics token is set
+    template: templates/gitea/config.yaml
+    set:
+      gitea:
+        metrics:
+          enabled: true
+          token: "somepassword"
+    asserts:
+      - documentIndex: 0
+        equal:
+          path: stringData.metrics
+          value: |-
+            ENABLED=true
+            TOKEN=somepassword
+  - it: metrics token is empty
+    template: templates/gitea/config.yaml
+    set:
+      gitea:
+        metrics:
+          enabled: true
+          token: ""
+    asserts:
+      - documentIndex: 0
+        equal:
+          path: stringData.metrics
+          value: |-
+            ENABLED=true
+  - it: metrics token is nil
+    template: templates/gitea/config.yaml
+    set:
+      gitea:
+        metrics:
+          enabled: true
+          token:
+    asserts:
+      - documentIndex: 0
+        equal:
+          path: stringData.metrics
+          value: |-
+            ENABLED=true
+  - it: does not configures a token if metrics are disabled
+    template: templates/gitea/config.yaml
+    set:
+      gitea:
+        metrics:
+          enabled: false
+          token: "somepassword"
+    asserts:
+      - documentIndex: 0
+        equal:
+          path: stringData.metrics
+          value: |-
+            ENABLED=false