tests: Address Copilot review on PR #112.

Author: nedseb

tests/scenarios/wsen_pads.yaml

@@ -55,7 +55,7 @@ tests:
   - name: "Read temperature returns float"
     action: call
     method: temperature
-    expect: 25.0
+    expect_range: [24.9, 25.1]
     mode: [mock]
 
   - name: "Temperature with offset"
@@ -74,6 +74,15 @@ tests:
     expect_range: [19.0, 21.0]
     mode: [mock]
 
+  - name: "Read applies temperature calibration"
+    action: script
+    script: |
+      dev.set_temp_offset(-2.0)
+      _, temp = dev.read()
+      result = temp
+    expect_range: [22.0, 24.0]
+    mode: [mock]
+
   - name: "Pressure in plausible range"
     action: call
     method: pressure