Remove keyword single for all tests

ui/task-priority-too-high.rs

@@ -0,0 +1,38 @@
+#![no_main]
+
+#[rtic::app(device = lm3s6965)]
+mod app {
+    #[init]
+    fn init(_: init::Context) -> (init::LateResources, init::Monotonics) {
+        (init::LateResources {}, init::Monotonics())
+    }
+
+    #[task(binds = GPIOA, priority = 1)]
+    fn gpioa(_: gpioa::Context) {}
+
+    #[task(binds = GPIOB, priority = 2)]
+    fn gpiob(_: gpiob::Context) {}
+
+    #[task(binds = GPIOC, priority = 3)]
+    fn gpioc(_: gpioc::Context) {}
+
+    #[task(binds = GPIOD, priority = 4)]
+    fn gpiod(_: gpiod::Context) {}
+
+    #[task(binds = GPIOE, priority = 5)]
+    fn gpioe(_: gpioe::Context) {}
+
+    #[task(binds = UART0, priority = 6)]
+    fn uart0(_: uart0::Context) {}
+
+    #[task(binds = UART1, priority = 7)]
+    fn uart1(_: uart1::Context) {}
+
+    // OK, this is the maximum priority supported by the device
+    #[task(binds = SSI0, priority = 8)]
+    fn ssi0(_: ssi0::Context) {}
+
+    // this value is too high!
+    #[task(binds = I2C0, priority = 9)]
+    fn i2c0(_: i2c0::Context) {}
+}