diff --git a/environments.yaml b/environments.yaml
index 3e3dd12..173640d 100644
--- a/environments.yaml
+++ b/environments.yaml
@@ -1,22 +1,22 @@
 dev:
   parameters:
     LogLevel: DEBUG
-    RetentionInDays: 7
+    RetentionInDays: "7"
 
 tests:
   parameters:
     LogLevel: DEBUG
-    RetentionInDays: 30
+    RetentionInDays: "30"
 
 staging:
   parameters:
     LogLevel: DEBUG
-    RetentionInDays: 30
+    RetentionInDays: "30"
 
 prod:
   parameters:
     LogLevel: INFO
-    RetentionInDays: 30
+    RetentionInDays: "30"
   flags:
-    can-integ: false
+    can-test: false
     is-prod: true
\ No newline at end of file
diff --git a/shared/environments/schema.yaml b/shared/environments/schema.yaml
index b5cd986..a101d24 100644
--- a/shared/environments/schema.yaml
+++ b/shared/environments/schema.yaml
@@ -10,7 +10,7 @@ additionalProperties:
       description: |
         CloudFormation Parameters and their values for a specific environment.
       additionalProperties:
-        type: [string, integer]
+        type: string
     tags:
       type: object
       description: |
diff --git a/shared/metadata/schema.yaml b/shared/metadata/schema.yaml
index e17ede6..25cec6f 100644
--- a/shared/metadata/schema.yaml
+++ b/shared/metadata/schema.yaml
@@ -50,7 +50,7 @@ properties:
   parameters:
     type: object
     additionalProperties:
-      type: [string, integer]
+      type: string
 
   flags:
     type: object
diff --git a/tools/toolbox b/tools/toolbox
index 95f18a3..aac2240 100755
--- a/tools/toolbox
+++ b/tools/toolbox
@@ -426,7 +426,7 @@ class ToolBox:
         if not os.path.isdir(tests_dir):
             raise ValueError("'{}' does not exist".format(tests_dir))
 
-        if not self.environment.get("flags", {}).get("can-test"):
+        if not self.environment.get("flags", {}).get("can-test", True):
             raise ValueError("Cannot run tests in {environment}".format(**self.environment))
 
         # Inject shared modules for unit tests in the PYTHONPATH