test: Really fix mirax-slidedat-* errors on glib >= 2.51.0

Using Unicode characters in the regex produces a regex which fails to
match the output.

test/cases/mirax-slidedat-bad-image-concat-factor/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file contains key ('|“)IMAGE_CONCAT_FACTOR('|”) in group ('|“)LAYER_0_LEVEL_2_SECTION('|”) which has (a )?value that cannot be interpreted.$
+error: ^Key file contains key ('|\xe2\x80\x9c)IMAGE_CONCAT_FACTOR('|\xe2\x80\x9d) in group ('|\xe2\x80\x9c)LAYER_0_LEVEL_2_SECTION('|\xe2\x80\x9d) which has (a )?value that cannot be interpreted.$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-bad-image-fill-color/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file contains key ('|“)IMAGE_FILL_COLOR_BGR('|”) in group ('|“)LAYER_0_LEVEL_3_SECTION('|”) which has (a )?value that cannot be interpreted.$
+error: ^Key file contains key ('|\xe2\x80\x9c)IMAGE_FILL_COLOR_BGR('|\xe2\x80\x9d) in group ('|\xe2\x80\x9c)LAYER_0_LEVEL_3_SECTION('|\xe2\x80\x9d) which has (a )?value that cannot be interpreted.$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-bad-image-height/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file contains key ('|“)DIGITIZER_HEIGHT('|”) in group ('|“)LAYER_0_LEVEL_1_SECTION('|”) which has (a )?value that cannot be interpreted.$
+error: ^Key file contains key ('|\xe2\x80\x9c)DIGITIZER_HEIGHT('|\xe2\x80\x9d) in group ('|\xe2\x80\x9c)LAYER_0_LEVEL_1_SECTION('|\xe2\x80\x9d) which has (a )?value that cannot be interpreted.$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-bad-image-width/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file contains key ('|“)DIGITIZER_WIDTH('|”) in group ('|“)LAYER_0_LEVEL_1_SECTION('|”) which has (a )?value that cannot be interpreted.$
+error: ^Key file contains key ('|\xe2\x80\x9c)DIGITIZER_WIDTH('|\xe2\x80\x9d) in group ('|\xe2\x80\x9c)LAYER_0_LEVEL_1_SECTION('|\xe2\x80\x9d) which has (a )?value that cannot be interpreted.$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-bad-imagenumber-x/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file contains key ('|“)IMAGENUMBER_X('|”) in group ('|“)GENERAL('|”) which has (a )?value that cannot be interpreted.$
+error: ^Key file contains key ('|\xe2\x80\x9c)IMAGENUMBER_X('|\xe2\x80\x9d) in group ('|\xe2\x80\x9c)GENERAL('|\xe2\x80\x9d) which has (a )?value that cannot be interpreted.$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-bad-imagenumber-y/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file contains key ('|“)IMAGENUMBER_Y('|”) in group ('|“)GENERAL('|”) which has (a )?value that cannot be interpreted.$
+error: ^Key file contains key ('|\xe2\x80\x9c)IMAGENUMBER_Y('|\xe2\x80\x9d) in group ('|\xe2\x80\x9c)GENERAL('|\xe2\x80\x9d) which has (a )?value that cannot be interpreted.$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-datafile-count/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)FILE_COUNT('|”)( in group ('|“)DATAFILE('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)FILE_COUNT('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)DATAFILE('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-datafile-name/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)FILE_3('|”)( in group ('|“)DATAFILE('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)FILE_3('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)DATAFILE('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-hier-count/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)HIER_COUNT('|”)( in group ('|“)HIERARCHICAL('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)HIER_COUNT('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)HIERARCHICAL('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-hier-name/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)HIER_0_NAME('|”)( in group ('|“)HIERARCHICAL('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)HIER_0_NAME('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)HIERARCHICAL('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-hier-val-section/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)HIER_0_VAL_2_SECTION('|”)( in group ('|“)HIERARCHICAL('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)HIER_0_VAL_2_SECTION('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)HIERARCHICAL('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-image-format/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)IMAGE_FORMAT('|”)( in group ('|“)LAYER_0_LEVEL_3_SECTION('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)IMAGE_FORMAT('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)LAYER_0_LEVEL_3_SECTION('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-index-filename/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)INDEXFILE('|”)( in group ('|“)HIERARCHICAL('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)INDEXFILE('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)HIERARCHICAL('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-nonhier-count/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)NONHIER_COUNT('|”)( in group ('|“)HIERARCHICAL('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)NONHIER_COUNT('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)HIERARCHICAL('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-nonhier-key/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)NONHIER_0_VAL_2('|”)( in group ('|“)HIERARCHICAL('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)NONHIER_0_VAL_2('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)HIERARCHICAL('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-nonhier-name/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)NONHIER_0_NAME('|”)( in group ('|“)HIERARCHICAL('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)NONHIER_0_NAME('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)HIERARCHICAL('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-nonhier-val-count/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)NONHIER_0_COUNT('|”)( in group ('|“)HIERARCHICAL('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)NONHIER_0_COUNT('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)HIERARCHICAL('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-overlap-x/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)OVERLAP_X('|”)( in group ('|“)LAYER_0_LEVEL_1_SECTION('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)OVERLAP_X('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)LAYER_0_LEVEL_1_SECTION('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-overlap-y/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)OVERLAP_Y('|”)( in group ('|“)LAYER_0_LEVEL_1_SECTION('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)OVERLAP_Y('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)LAYER_0_LEVEL_1_SECTION('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-slide-id/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)SLIDE_ID('|”)( in group ('|“)GENERAL('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)SLIDE_ID('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)GENERAL('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-slide-version/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)SLIDE_VERSION('|”)( in group ('|“)GENERAL('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)SLIDE_VERSION('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)GENERAL('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax

test/cases/mirax-slidedat-no-zoom-level-count/config.yaml

@@ -1,5 +1,5 @@
 base: Mirax/CMU-1.zip
-error: ^Key file does not have key ('|“)HIER_0_COUNT('|”)( in group ('|“)HIERARCHICAL('|”))?$
+error: ^Key file does not have key ('|\xe2\x80\x9c)HIER_0_COUNT('|\xe2\x80\x9d)( in group ('|\xe2\x80\x9c)HIERARCHICAL('|\xe2\x80\x9d))?$
 slide: CMU-1.mrxs
 success: false
 vendor: mirax