fix Quaternion_test.py

examples/PikaMath/Quaternion_test.py

@@ -1,4 +1,4 @@
-import PikaMath
+from PikaMath import Quaternion
 
 a=Quaternion()
 a.set(0.592,0.158,0.592,0.525)

port/linux/.vscode/launch.json

@@ -11,7 +11,7 @@
             "program": "${workspaceFolder}/build/test/pikascript_test",
             // "program": "${workspaceFolder}/build/boot/demo06-pikamain/pikascript_demo06-pikamain",
             "args": [
-                // "--gtest_filter=pikaMain.unitTest"
+                "--gtest_filter=PikaMath.*"
             ],
             "stopAtEntry": false,
             "cwd": "${workspaceFolder}",

port/linux/test/python/PikaMath/Quaternion_test.py

@@ -1,4 +1,4 @@
-import PikaMath
+from PikaMath import Quaternion
 
 a=Quaternion()
 a.set(0.592,0.158,0.592,0.525)