Add assert_pred!() to the prelude

Since `assert_that!()` is already in the prelude, I assume the omission of `assert_pred!()` is unintentional.

Drive-by: use `#[gtest]` instead of `#[test]`
PiperOrigin-RevId: 665180003

Author: gribozavr

googletest/src/lib.rs

@@ -51,11 +51,11 @@ pub mod prelude {
     pub use super::Result;
     // Assert macros
     pub use super::{
-        add_failure, add_failure_at, assert_that, expect_eq, expect_false, expect_float_eq,
-        expect_ge, expect_gt, expect_le, expect_lt, expect_ne, expect_near, expect_pred,
-        expect_that, expect_true, fail, succeed, verify_eq, verify_false, verify_float_eq,
-        verify_ge, verify_gt, verify_le, verify_lt, verify_ne, verify_near, verify_pred,
-        verify_that, verify_true,
+        add_failure, add_failure_at, assert_pred, assert_that, expect_eq, expect_false,
+        expect_float_eq, expect_ge, expect_gt, expect_le, expect_lt, expect_ne, expect_near,
+        expect_pred, expect_that, expect_true, fail, succeed, verify_eq, verify_false,
+        verify_float_eq, verify_ge, verify_gt, verify_le, verify_lt, verify_ne, verify_near,
+        verify_pred, verify_that, verify_true,
     };
 }
 

integration_tests/src/assert_predicate_with_failure.rs

@@ -16,9 +16,9 @@ fn main() {}
 
 #[cfg(test)]
 mod tests {
-    use googletest::assert_pred;
+    use googletest::prelude::*;
 
-    #[test]
+    #[gtest]
     fn assert_predicate_with_failure() {
         let a = 1;
         let b = 2;