Updates to python scripts for regression tests (#370)

- Added `WP_Baseline` to list of directories to copy
- Replaced `is` and `is not` with `==` and `!=` when comparing with a string literal (else they would always return false)

reg_tests/executeOpenfastRegressionCase.py

@@ -119,7 +119,7 @@ def ignoreBaselineItems(directory, contents):
 
 # create the local output directory if it does not already exist
 # and initialize it with input files for all test cases
-for data in ["AOC", "AWT27", "SWRT", "UAE_VI"]:
+for data in ["AOC", "AWT27", "SWRT", "UAE_VI", "WP_Baseline"]:
     dataDir = os.path.join(buildDirectory, data)
     if not os.path.isdir(dataDir):
         shutil.copytree(os.path.join(moduleDirectory, data), dataDir)
@@ -132,7 +132,7 @@ def ignoreBaselineItems(directory, contents):
 else:
     names = os.listdir(src)
     for name in names:
-        if name is "ServoData":
+        if name == "ServoData":
             continue
         srcname = os.path.join(src, name)
         dstname = os.path.join(dst, name)

reg_tests/manualRegressionTest.py

@@ -60,7 +60,7 @@ def strFormat(string):
 outstd = sys.stdout if verbose else open(os.devnull, 'w') 
 pythonCommand = sys.executable
 
-if case is not "":
+if case != "":
     caselist = [case]
 else:
     with open(os.path.join("r-test", "glue-codes", "openfast", "CaseList.md")) as listfile: