[test] Minor FileCheck pattern fixes

Simplify the FileCheck pattern used in test/openmp_examples/lit/runmake;
most of the original pattern was never generated and hence misleading.
Prevent check_compilation.py from appending an extraneous space when
printing a properly newline-terminated string.

Author: bryanpkc

test/openmp_examples/lit/runmake

@@ -23,4 +23,4 @@ export PATH=$PATH:$(pwd)
 make -f $MAKE_FILE HOMEQA=$MAKE_FILE_DIR TEST=$test_name OPT="$FLAGS" build 2>&1
 make -f $MAKE_FILE HOMEQA=$MAKE_FILE_DIR TEST=$test_name OPT="$FLAGS" run 2>&1
 make -f $MAKE_FILE HOMEQA=$MAKE_FILE_DIR TEST=$test_name OPT="$FLAGS" verify 2>&1
-# CHECK: {{([1-9][0-9]* tests PASSED\. 0 tests failed|[[:space:]]*PASS(ED)?[[:space:]]*$)}}
+# CHECK: {{^PASS$}}

test/tools/check_compilation.py

@@ -103,7 +103,8 @@ def getLogErrors(log):
 				terminated = True
 			else:
 				sys.stdout.write (line)
-				sys.stdout.write (" ")
+				if not line.endswith("\n"):
+					sys.stdout.write (" ")
 	return terminated, errorList
 
 def getFileSet(source, logErrors):