diff --git a/murano/tests/unit/packages/hot_package/test.hot.1/Resources/FullTestName b/murano/tests/unit/packages/hot_package/test.hot.1/Resources/FullTestName
index e1ded2455..1dfd08e09 100644
--- a/murano/tests/unit/packages/hot_package/test.hot.1/Resources/FullTestName
+++ b/murano/tests/unit/packages/hot_package/test.hot.1/Resources/FullTestName
@@ -16,7 +16,7 @@ parameters:
           description: Range Description
       - allowed_values: [0, 1, 2, 3, 4]
         description: Allowed Values Description
-      - allowed_pattern: [A-Za-z0-9]
+      - allowed_pattern: "[A-Za-z0-9]"
         description: Allowed Pattern Description
   bar:
     type: boolean
@@ -51,7 +51,7 @@ parameter_groups:
               description: Range Description
           - allowed_values: [0, 1, 2, 3, 4]
             description: Allowed Values Description
-          - allowed_pattern: [A-Za-z0-9]
+          - allowed_pattern: "[A-Za-z0-9]"
             description: Allowed Pattern Description
       bar:
         type: boolean
diff --git a/murano/tests/unit/packages/hot_package/test.hot.1/properties_manifest.yaml b/murano/tests/unit/packages/hot_package/test.hot.1/properties_manifest.yaml
index 7528f2ce4..96e8d0b8f 100644
--- a/murano/tests/unit/packages/hot_package/test.hot.1/properties_manifest.yaml
+++ b/murano/tests/unit/packages/hot_package/test.hot.1/properties_manifest.yaml
@@ -11,7 +11,7 @@ parameters:
           max: 50
       - length: 
           min: 0
-      - allowed_pattern: [A-Za-z0-9]
+      - allowed_pattern: "[A-Za-z0-9]"
   param3:
     type: number
     constraints:
diff --git a/murano/tests/unit/packages/hot_package/test.hot.1/template.yaml b/murano/tests/unit/packages/hot_package/test.hot.1/template.yaml
index e1ded2455..1dfd08e09 100644
--- a/murano/tests/unit/packages/hot_package/test.hot.1/template.yaml
+++ b/murano/tests/unit/packages/hot_package/test.hot.1/template.yaml
@@ -16,7 +16,7 @@ parameters:
           description: Range Description
       - allowed_values: [0, 1, 2, 3, 4]
         description: Allowed Values Description
-      - allowed_pattern: [A-Za-z0-9]
+      - allowed_pattern: "[A-Za-z0-9]"
         description: Allowed Pattern Description
   bar:
     type: boolean
@@ -51,7 +51,7 @@ parameter_groups:
               description: Range Description
           - allowed_values: [0, 1, 2, 3, 4]
             description: Allowed Values Description
-          - allowed_pattern: [A-Za-z0-9]
+          - allowed_pattern: "[A-Za-z0-9]"
             description: Allowed Pattern Description
       bar:
         type: boolean
diff --git a/murano/tests/unit/packages/hot_package/test_hot_package.py b/murano/tests/unit/packages/hot_package/test_hot_package.py
index 60fbfb322..54f2148f1 100644
--- a/murano/tests/unit/packages/hot_package/test_hot_package.py
+++ b/murano/tests/unit/packages/hot_package/test_hot_package.py
@@ -111,9 +111,9 @@ class TestHotPackage(test_base.MuranoTestCase):
         param6 = params['Contract']['param6']
 
         self.assertEqual("$.bool().check($ in list(True, False))", param1.expr)
-        self.assertTrue("$.string().check($ in list('bar'))."
-                        "check(len($) <= 50).check(len($) >= 0)."
-                        "check(matches($, '['A-Za-z0-9']'))", param2.expr)
+        self.assertEqual("$.string().check($ in list('bar'))."
+                         "check(len($) <= 50).check(len($) >= 0)."
+                         "check(matches($, '[A-Za-z0-9]'))", param2.expr)
         self.assertEqual("$.int().check($ in list(0, 1, 2, 3, 4))"
                          ".check(len($) >= 0 and len($) <= 5)."
                          "check($ >= 0 and $ <= 4)", param3.expr)