Disable some unsupported test combinations

Author: tbkka

test/stdlib/ParseFloat16.swift

@@ -2,7 +2,7 @@
 // REQUIRES: executable_test
 
 // Float16 is not supported on x86_64 macOS at all
-// UNSUPPORTED: CPU=x86_64 && OS=macOS
+// UNSUPPORTED: CPU=x86_64 && OS=macosx
 
 // TODO: Figure out why this test breaks on wasm32
 // UNSUPPORTED: CPU=wasm32

test/stdlib/PrintFloat.swift.gyb

@@ -8,6 +8,10 @@
 // rdar://77087867
 // UNSUPPORTED: CPU=arm64_32 && OS=watchos
 
+// Float printing and parsing on embedded are new features, not
+// yet fully supported on WASM
+// UNSUPPORTED: CPU=wasm32
+
 // rdar://104232602
 // UNSUPPORTED: CPU=x86_64 && (DARWIN_SIMULATOR=ios || DARWIN_SIMULATOR=watchos || DARWIN_SIMULATOR=tvos)
 

test/stdlib/PrintFloatLocale.swift.gyb

@@ -8,6 +8,10 @@
 // rdar://77087867
 // UNSUPPORTED: CPU=arm64_32 && OS=watchos
 
+// Float printing and parsing on embedded are new features, not
+// yet fully supported on WASM
+// UNSUPPORTED: CPU=wasm32
+
 // rdar://104232602
 // UNSUPPORTED: CPU=x86_64 && (DARWIN_SIMULATOR=ios || DARWIN_SIMULATOR=watchos || DARWIN_SIMULATOR=tvos)