Add some components to the new testing framework (A part 1) (#6142)

tests/components/absolute_humidity/test.esp32-idf.yaml

@@ -0,0 +1,21 @@
+sensor:
+  - platform: absolute_humidity
+    name: Absolute Humidity
+    temperature: template_temperature
+    humidity: template_humidity
+  - platform: template
+    id: template_humidity
+    lambda: |-
+      if (millis() > 10000) {
+        return 0.6;
+      } else {
+        return 0.0;
+      }
+  - platform: template
+    id: template_temperature
+    lambda: |-
+      if (millis() > 10000) {
+        return 42.0;
+      } else {
+        return 0.0;
+      }