diff --git a/test/compiler/6894807/Test6894807.sh b/test/compiler/6894807/Test6894807.sh
index 20fee43ea69846b3d64ff5bc242a49cb732e80a4..229fb5451083a738131a4d46062a55aec939ef43 100644
--- a/test/compiler/6894807/Test6894807.sh
+++ b/test/compiler/6894807/Test6894807.sh
@@ -31,6 +31,11 @@ case "$OS" in
     PS=";"
     FS="\\"
     ;;
+  CYGWIN_* )
+    NULL=/dev/null
+    PS=";"
+    FS="/"
+    ;;
   * )
     echo "Unrecognized system!"
     exit 1;
diff --git a/test/gc/6941923/test6941923.sh b/test/gc/6941923/test6941923.sh
index e66419635686bec75561109bbff6d51f0bc1d0de..0c751de12e07450269ecf1f86952d200c7680fb7 100644
--- a/test/gc/6941923/test6941923.sh
+++ b/test/gc/6941923/test6941923.sh
@@ -14,7 +14,7 @@ case "$OS" in
     PS=":"
     FS="/"
     ;;
-  Windows_* )
+  Windows_* | CYGWIN_* )
     echo "Test skipped for Windows"
     exit 0 
     ;;
diff --git a/test/runtime/6626217/Test6626217.sh b/test/runtime/6626217/Test6626217.sh
index e7414983b9c6b43f7c5b3e139f12fb296ffb0754..a8c8a2395cff5abbda408772ed63be402e9be2bf 100644
--- a/test/runtime/6626217/Test6626217.sh
+++ b/test/runtime/6626217/Test6626217.sh
@@ -65,6 +65,14 @@ case "$OS" in
     CP=cp
     MV=mv
     ;;
+  CYGWIN_* )
+    NULL=/dev/null
+    PS=";"
+    FS="/"
+    RM=rm
+    CP=cp
+    MV=mv
+    ;;
   * )
     echo "Unrecognized system!"
     exit 1;
diff --git a/test/runtime/6878713/Test6878713.sh b/test/runtime/6878713/Test6878713.sh
index 73d91fc0c32a2ab6dabf33eaa982aa637d49bd7c..a452ad58fcda7234fa14373755563b3bdae84add 100644
--- a/test/runtime/6878713/Test6878713.sh
+++ b/test/runtime/6878713/Test6878713.sh
@@ -38,6 +38,11 @@ case "$OS" in
     PS=";"
     FS="\\"
     ;;
+  CYGWIN_* )
+    NULL=/dev/null
+    PS=";"
+    FS="/"
+    ;;
   * )
     echo "Unrecognized system!"
     exit 1;
diff --git a/test/runtime/7020373/Test7020373.sh b/test/runtime/7020373/Test7020373.sh
index 54b8b32974ee6c9094556a00379a33fafdc2410b..83e7f4c449d43ccff8ab86050700fe7aa0b47ed0 100644
--- a/test/runtime/7020373/Test7020373.sh
+++ b/test/runtime/7020373/Test7020373.sh
@@ -40,6 +40,11 @@ case "$OS" in
     PS=";"
     FS="\\"
     ;;
+  CYGWIN_* )
+    NULL=/dev/null
+    PS=";"
+    FS="/"
+    ;;
   * )
     echo "Unrecognized system!"
     exit 1;
diff --git a/test/runtime/7051189/Xchecksig.sh b/test/runtime/7051189/Xchecksig.sh
index b4fbbd7d7c8ba08978eda32dfe66f3e756ef883e..f3eabce57d51fa679b203bc66b461d2fd8912834 100644
--- a/test/runtime/7051189/Xchecksig.sh
+++ b/test/runtime/7051189/Xchecksig.sh
@@ -46,7 +46,7 @@ case "$OS" in
   SunOS | Linux | Darwin )
     FS="/"
     ;;
-  Windows_* )
+  Windows_* | CYGWIN_* )
     printf "Not testing libjsig.so on Windows. PASSED.\n "
     exit 0
     ;;
diff --git a/test/runtime/7110720/Test7110720.sh b/test/runtime/7110720/Test7110720.sh
index ef13888ee572f4ca0e32cccc8fcd8c713568118b..0788cb56a58f7181158f580168e16b3f5dd70b3c 100644
--- a/test/runtime/7110720/Test7110720.sh
+++ b/test/runtime/7110720/Test7110720.sh
@@ -55,6 +55,12 @@ case "$OS" in
     CP=cp
     MV=mv
     ;;
+  CYGWIN_* )
+    FS="/"
+    RM=rm
+    CP=cp
+    MV=mv
+    ;;
   * )
     echo "Unrecognized system!"
     exit 1;
diff --git a/test/runtime/7158800/Test7158800.sh b/test/runtime/7158800/Test7158800.sh
index 781922a3c5bd0a0333c5bea82461cc81460b0738..81fa7aca8a82a5c4ea94b94ac41d417d361dfee9 100644
--- a/test/runtime/7158800/Test7158800.sh
+++ b/test/runtime/7158800/Test7158800.sh
@@ -56,6 +56,11 @@ case "$OS" in
     PS=";"
     FS="\\"
     ;;
+  CYGWIN_* )
+    NULL=/dev/null
+    PS=";"
+    FS="/"
+    ;;
   * )
     echo "Unrecognized system!"
     exit 1;
diff --git a/test/runtime/7158988/TestFieldMonitor.sh b/test/runtime/7158988/TestFieldMonitor.sh
index cf7fcf39319ac1a8de960ba433368d3615a6756e..aa18c1609ba6d11f21d51f65b585040889220dee 100644
--- a/test/runtime/7158988/TestFieldMonitor.sh
+++ b/test/runtime/7158988/TestFieldMonitor.sh
@@ -38,6 +38,18 @@ case "$OS" in
     PS=";"
     FS="\\"
     ;;
+  CYGWIN_NT* )
+    NULL=/dev/null
+    PS=";"
+    FS="/"
+    ;;
+  CYGWIN_* )
+    NULL=/dev/null
+    PS=";"
+    FS="/"
+    echo "Test skipped, only for WinNT"
+    exit 0
+    ;;
   * )
     echo "Unrecognized system!"
     exit 1;