Clearer function name for parity check

Return a name that more clearly returns nonzero=true=good, 0=bad. We'd
normally expect check_xxx to return 0=pass, nonzero=fail so
check_parity was a bad name.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/suites/test_suite_psa_crypto_metadata.function b/tests/suites/test_suite_psa_crypto_metadata.function
index abee922..2c06983 100644
--- a/tests/suites/test_suite_psa_crypto_metadata.function
+++ b/tests/suites/test_suite_psa_crypto_metadata.function
@@ -68,7 +68,7 @@
  * The expected parity is even so that 0 is considered a valid encoding.
  *
  * Return 0 if value has even parity and a nonzero value otherwise. */
-int check_parity( uint32_t value )
+int has_even_parity( uint32_t value )
 {
     value ^= value >> 16;
     value ^= value >> 8;
@@ -76,7 +76,7 @@
     return( 0x9669 & 1 << ( value & 0xf ) );
 }
 #define TEST_PARITY( value )                    \
-    TEST_ASSERT( check_parity( value ) )
+    TEST_ASSERT( has_even_parity( value ) )
 
 void algorithm_classification( psa_algorithm_t alg, unsigned flags )
 {