[Test][Concurrency] Clean up framework input paths in deinit_isolation_import test

Author: ramonasuncion

test/Concurrency/deinit_isolation_import/test.swift

@@ -1,15 +1,14 @@
 // RUN: %empty-directory(%t/Frameworks)
-// RUN: INPUT_DIR=%S/Inputs
-// RUN: cp -R $INPUT_DIR/Alpha.framework %t/Frameworks/
+// RUN: cp -R %S/Inputs/Alpha.framework %t/Frameworks/
 // RUN: %empty-directory(%t/Frameworks/Alpha.framework/Modules/Alpha.swiftmodule)
 // RUN: %empty-directory(%t/Frameworks/Alpha.framework/Headers/)
 // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -disable-implicit-string-processing-module-import -parse-as-library -disable-availability-checking -module-name Alpha \
 // RUN:  -emit-module -o %t/Frameworks/Alpha.framework/Modules/Alpha.swiftmodule/%module-target-triple.swiftmodule \
 // RUN:  -enable-objc-interop -disable-objc-attr-requires-foundation-module \
-// RUN:  -emit-objc-header -emit-objc-header-path %t/Frameworks/Alpha.framework/Headers/Alpha-Swift.h $INPUT_DIR/Alpha.swift
-// RUN: cp -R $INPUT_DIR/Beta.framework %t/Frameworks/
+// RUN:  -emit-objc-header -emit-objc-header-path %t/Frameworks/Alpha.framework/Headers/Alpha-Swift.h %S/Inputs/Alpha.swift
+// RUN: cp -R %S/Inputs/Beta.framework %t/Frameworks/
 // RUN: %empty-directory(%t/Frameworks/Beta.framework/Headers/)
-// RUN: cp $INPUT_DIR/Beta.h %t/Frameworks/Beta.framework/Headers/Beta.h
+// RUN: cp %S/Inputs/Beta.h %t/Frameworks/Beta.framework/Headers/Beta.h
 // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -disable-implicit-string-processing-module-import -disable-availability-checking -typecheck -verify %s -F %t/Frameworks -F %clang-importer-sdk-path/frameworks
 // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -disable-implicit-string-processing-module-import -disable-availability-checking -parse-as-library -emit-silgen -DSILGEN %s -F %t/Frameworks -F %clang-importer-sdk-path/frameworks | %FileCheck %s
 // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -disable-implicit-string-processing-module-import -disable-availability-checking -parse-as-library -emit-silgen -DSILGEN %s -F %t/Frameworks -F %clang-importer-sdk-path/frameworks | %FileCheck -check-prefix=CHECK-SYMB %s