[CI] Consolidate some tests (T) (#8208)

tests/components/tt21100/common.yaml

@@ -0,0 +1,25 @@
+i2c:
+  - id: i2c_tt21100
+    scl: ${scl_pin}
+    sda: ${sda_pin}
+
+display:
+  - platform: ssd1306_i2c
+    id: ssd1306_display
+    model: SSD1306_128X64
+    reset_pin: ${disp_reset_pin}
+    pages:
+      - id: page1
+        lambda: |-
+          it.rectangle(0, 0, it.get_width(), it.get_height());
+
+touchscreen:
+  - platform: tt21100
+    display: ssd1306_display
+    interrupt_pin: ${interrupt_pin}
+    reset_pin: ${reset_pin}
+
+binary_sensor:
+  - platform: tt21100
+    name: Home Button
+    index: 1