[Tests] Better support when KiBot is also installed at user level

tests/test_plot/force_colorama_error.py

@@ -3,7 +3,11 @@ import os
 import sys
 # Setup the path to load local kibot module
 prev_dir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-if prev_dir not in sys.path:
+if sys.path[0] != prev_dir:
+    try:
+        sys.path.remove(prev_dir)
+    except ValueError:
+        pass
     sys.path.insert(0, prev_dir)
 # Force the pcbnew module load to fail
 sys.modules['colorama'] = None

tests/test_plot/force_pcbnew_error.py

@@ -4,7 +4,11 @@ import sys
 # Setup the path to load local kibot module
 cur_dir = os.path.dirname(os.path.abspath(__file__))
 prev_dir = os.path.dirname(os.path.dirname(cur_dir))
-if prev_dir not in sys.path:
+if sys.path[0] != prev_dir:
+    try:
+        sys.path.remove(prev_dir)
+    except ValueError:
+        pass
     sys.path.insert(0, prev_dir)
 if len(sys.argv) > 1 and sys.argv[1] == 'fake':
     fake_dir = os.path.join(cur_dir, 'fake_pcbnew')

tests/test_plot/force_xlsx_error.py

@@ -3,7 +3,11 @@ import os
 import sys
 # Setup the path to load local kibot module
 prev_dir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-if prev_dir not in sys.path:
+if sys.path[0] != prev_dir:
+    try:
+        sys.path.remove(prev_dir)
+    except ValueError:
+        pass
     sys.path.insert(0, prev_dir)
 # Force the xlsxwriter module load to fail
 sys.modules['xlsxwriter'] = None

tests/test_plot/force_yaml_error.py

@@ -3,7 +3,11 @@ import os
 import sys
 # Setup the path to load local kibot module
 prev_dir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-if prev_dir not in sys.path:
+if sys.path[0] != prev_dir:
+    try:
+        sys.path.remove(prev_dir)
+    except ValueError:
+        pass
     sys.path.insert(0, prev_dir)
 # Force the pcbnew module load to fail
 sys.modules['yaml'] = None

tests/test_plot/kiconf_init.py

@@ -14,7 +14,11 @@ if prev_dir not in sys.path:
     sys.path.insert(0, prev_dir)
 # One more level for the project
 prev_dir = os.path.dirname(prev_dir)
-if prev_dir not in sys.path:
+if sys.path[0] != prev_dir:
+    try:
+        sys.path.remove(prev_dir)
+    except ValueError:
+        pass
     sys.path.insert(0, prev_dir)
 
 import kibot.log as log