Merge pull request #15244 from davezarzycki/mark_param_passing_tests_as_long_test

[Testing] Mark two latent long tests as 'long_test'

Author: davezarzycki

test/stdlib/ParameterPassing.swift.gyb renamed to validation-test/stdlib/ParameterPassing.swift.gyb

@@ -14,6 +14,7 @@
 // RUN: %line-directive %t/ParameterPassing.swift -- %target-build-swift %t/ParameterPassing.swift -o %t/a.out_Release -O
 // RUN: %target-run %t/a.out_Release
 // REQUIRES: executable_test
+// REQUIRES: long_test
 
 import StdlibUnittest
 

test/stdlib/SIMDParameterPassing.swift.gyb renamed to validation-test/stdlib/SIMDParameterPassing.swift.gyb

@@ -15,6 +15,7 @@
 // RUN: %target-run %t/a.out_Release
 
 // REQUIRES: executable_test
+// REQUIRES: long_test
 // XFAIL: linux
 
 import StdlibUnittest