more test fixes

Author: nschloe

test/test_legend_best_location_reference.tex

@@ -43,7 +43,7 @@
 
 \nextgroupplot[
 legend cell align={left},
-legend style={fill opacity=0.8, draw opacity=1, text opacity=1, at={(0.5,0.91)}, anchor=north, draw=white!80!black},
+legend style={fill opacity=0.8, draw opacity=1, text opacity=1, at={(0.03,0.97)}, anchor=north west, draw=white!80!black},
 scaled x ticks=manual:{}{\pgfmathparse{#1}},
 scaled y ticks=manual:{}{\pgfmathparse{#1}},
 tick align=outside,
@@ -117,7 +117,7 @@
 
 \nextgroupplot[
 legend cell align={left},
-legend style={fill opacity=0.8, draw opacity=1, text opacity=1, at={(0.97,0.03)}, anchor=south east, draw=white!80!black},
+legend style={fill opacity=0.8, draw opacity=1, text opacity=1, at={(0.03,0.03)}, anchor=south west, draw=white!80!black},
 scaled x ticks=manual:{}{\pgfmathparse{#1}},
 tick align=outside,
 tick pos=left,
@@ -207,7 +207,7 @@
 
 \nextgroupplot[
 legend cell align={left},
-legend style={fill opacity=0.8, draw opacity=1, text opacity=1, at={(0.5,0.5)}, anchor=center, draw=white!80!black},
+legend style={fill opacity=0.8, draw opacity=1, text opacity=1, at={(0.09,0.5)}, anchor=west, draw=white!80!black},
 scaled x ticks=manual:{}{\pgfmathparse{#1}},
 scaled y ticks=manual:{}{\pgfmathparse{#1}},
 tick align=outside,
@@ -282,7 +282,7 @@
 
 \nextgroupplot[
 legend cell align={left},
-legend style={fill opacity=0.8, draw opacity=1, text opacity=1, at={(0.97,0.03)}, anchor=south east, draw=white!80!black},
+legend style={fill opacity=0.8, draw opacity=1, text opacity=1, at={(0.5,0.09)}, anchor=south, draw=white!80!black},
 tick align=outside,
 tick pos=left,
 x grid style={white!69.019608!black},
@@ -315,7 +315,7 @@
 
 \nextgroupplot[
 legend cell align={left},
-legend style={fill opacity=0.8, draw opacity=1, text opacity=1, draw=white!80!black},
+legend style={fill opacity=0.8, draw opacity=1, text opacity=1, at={(0.5,0.91)}, anchor=north, draw=white!80!black},
 scaled y ticks=manual:{}{\pgfmathparse{#1}},
 tick align=outside,
 tick pos=left,
@@ -349,7 +349,7 @@
 \addlegendentry{UC}
 
 \nextgroupplot[
-legend style={fill opacity=0.8, draw opacity=1, text opacity=1, at={(0.91,0.5)}, anchor=east, draw=white!80!black},
+legend style={fill opacity=0.8, draw opacity=1, text opacity=1, draw=white!80!black},
 scaled y ticks=manual:{}{\pgfmathparse{#1}},
 tick align=outside,
 tick pos=left,